Motherboards usually ship. Serial ATA cables, in particular, can sometimes fall out of their connection. You can use it to manage your disk, migrate OS, clone disk, recover data, etc. In other words, it helps in connecting your storage device with the motherboard. With over 500,000 hours of in-house validation testing and backed by Synology’s 5-year limited warranty 1, the HAT5300 series brings unmatched reliability to Synology deployments. 0 Ports 1 : Wattage 3600 : Hardware Platform PC, Laptops : Are Batteries IncludedAmazon. SATA I Solid State Drives 2. 5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage (ST20000NT001) (Renewed) Western Digital 14TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3. The Orico Toolfree USB 3. If the value of such item is «AHCI» then AHCi mode is already enabled. The connection is used for storage devices such as hard disk drives, floppy disk drives, and optical disc drives. 7 out of 5 stars with 4995 reviews. Serial ATA (SATA) connectors remain a common interface between the drive and the motherboard. Customer Reviews: 4. Seagate ST2000DM001 Desktop HDD. 5" - WD10EZEX ORICO USB 3. These intake fans are to help for better airflow, even if it doesn't make much difference. With data transfer rates reaching and exceeding 600MB/s, SATA can be much faster and more efficient than the 133MB/s capabilities of ATA drives. Exos 7E8. Seagate BarraCuda 2TB 2. I'm assuming my power supply unit uses whatever the standard port is. Select Password. Make sure the SATA cables are in good condition, and you have connected them promptly. 5" and 3. Open EaseUS DriverHandy and click "Scan. I got this Neeyer SATA to USB 3. Free Shipping. You can find SATA Hard Drives inside of your desktop computers, laptops, or servers. They can offer anywhere from 500GB of storage up to 8TB or more and come with a variety of interfaces. 5" SATA hard drive from Fujitsu with the data port on the left and the power port on the right. 2 Another form factor, M. 5-Inch 15mm (ST5000LM000) (Renewed) Seagate’s IronWolf® NAS hard drives are all built with conventional magnetic recording technology (CMR)—ideal for multi-user NAS environments that require high workload rates, with capacity options up to 22TB. 500GB. Press the power switch to the “On” position, the SATDOCK2REU3 is now ready to use. 5/3. DUAL HARD DRIVE CAPABILITIES: This USB 2. See The Difference. 5 inch SATA2. 3. Pros of SATA Hard Drive. It is compatible with most desktop and server systems, and it offers a low. 5"/3. 5 and 3. 0 interface, which can reach a data transmission rate of 5Gbps, 20% faster than USB 2. This article delves into the world of internal hard drives, sheds light on the factors influencing their prices in Pakistan, and presents a curated list of top products available on Daraz. If it does not verify the connections are secure. I cannot access my computer any other way and have no access to any other computer. the Seagate® BarraCuda® 3. For starters, the enclosure can work with Windows 10, 8, and 7. Below is the pinout for the standard Molex 4-pin peripheral power connector as of Version 2. 2 to 1. 5” HDD you would like to have over written to the HDD 2 Dock port. ATA: Stands for "Advanced Technology Attachment. Also, inspect the motherboard for. Samsung 970 EVO Plus SSD 2TB NVMe M. 5-inch form-factor integrates easily into cloud-scale storage infrastructure, business-critical servers. 0ms gives an IOPS number of 217 . However, most current motherboards, even the basic ones featuring entry-level chipsets like the Intel H series or the AMD A-series chipset will have at least four SATA ports. Connect the 2. Despite all the interfaces and storage types, we can classify hard drives into 3 types. The Seagate FireCuda hybrid drive comes the closest to that ideal. BarraCuda 3. pk, complete with their current prices. 19 –Hard Disk Interface Serial ATA : Hard drive rotational speed 7200 RPM : Additional Information. read moreUnscrew the four silver fasteners on the side drive mount with a Philips-head screwdriver. If the website doesn't work properly without JavaScript enabled. Western Digital WD_BLACK SN770 2 TB 5150 MB/s M. Or fastest delivery Tomorrow, Nov 24 . 4. 5" Hard Drives to 5. 5 Inch HDD/SSD after the connection port on my Seagate 8TB Expansion Desktop External Hard Drive became loose, and neither my laptop (a mid-2012 MacBook Pro 13 inch) nor my mom’s laptop (an early 2015 MacBook Air 13 inch) nor the Mac Mini (a late. Frequently bought together. S. Computers can use ATA hard drives without a specific controller to support the drive. What does ATA mean?. Customize your business’s storage mix to fit your specific needs with a full portfolio of enterprise-class WD Gold HDDs in capacities of 1TB to 24TB1, with OptiNAND™ technology in 20TB, 22TB and 24TB. sata-io . Manufacturer Western Digital : Language English : ASIN B0711YN12S : National Stock Number 7025-01-619-0850 : Is Discontinued By Manufacturer No : Date First Available November 16, 2012 Hard Drive Size 1 TB : Hard Disk Description Mechanical Hard Disk : Hard Drive Interface Serial ATA : Hard Disk Rotational Speed 7200 RPM : Graphics Card Interface PCI-Express x16 : Wireless Type Radio Frequency : Wattage 5. What is the actual max read/write speed for a SATA III 6. Seagate ST8000DMZ04 BarraCuda 8TB Internal Hard Drive HDD – 3. Severity. Serial ATA is the connection/connector interface while ATA-8 is the protocol for that interface. As neomonks suggests, try switching the port you plug the SATA cable into on the motherboard. HDD. Government under vendor's standard commercial license. 5 Inch) SATA 6 Gb/s 5400 RPM 256 MB Cache for Computer Desktop PC (ST2000DM005) online at low price in India on Amazon. Rp260. 2 of the ATX Specification (PDF) . 0 data transfer rates up to 5 Gbps, backward compatible with USB 2. Average Seek Time: 11ms Average Write Time: 12ms Average Latency: 4. In the command prompt window, type the following command in hit Enter: devmgmt. 2. In Stock. Under PCI Bus #0, click on the SATA AHCI Controller device. Hitachi hard disk drive specifications 2 Revision 1. 5inch SATA Hard Drive USB 3. Limited time offer, ends 11/24. $ 57. org. 0 for 2. Serial ATA-600 : Hard Drive Rotational Speed 7200 RPM : Manufacturer Hitachi : ASIN B07NQV7T11 : Country of Origin Thailand : Is Discontinued By Manufacturer No : Date First Available September 19, 2016 : Additional Information. 6 4. 0 & UASP - This 2. 5inch Notebook Hard DriveSAS vs. 6 million hours. The version 2 of SATA was introduced more than a decade ago in 2004, featuring the maximum data transfer rate at 3. 5' SATA III (6Gbps) SSD/HDD Docking Station, Hot-SwappableBoard index Classic ThinkPad Hardware ThinkPad T400/T410/T420 and T500/T510/T520 SeriesIn addition, Serial ATA makes the transition from parallel ATA easy by providing legacy software support. When the user hard disk password icon is displayed on the screen, press F1. Insignia™ - 2' SATA III Hard Drive Cable - Black. Black Friday Deal. 7 out of 5 stars with 194 reviews (194 reviews) WD - Easystore 5TB External USB 3. 컴퓨터 전원 투입 후 정상 연결 확인 방법 : 이상과 같이, 저장 장치 (HDD, SSD)와 메인보드, 그리고 파워 서플라이 사이에 케이블 연결을 모두 완료하고, 케이스에 고정을 완료했다면 이제 부팅을 하면 된다. Again, that's very common so it would be hard to get an incompatible "external. A single drive can range from 500 GB to 16 TB and are available at a lower cost than any of the other drive types discussed here. 10. Please enable it to continue. ST2000DMA06. ST1000DM010. IDE consists of a 40-pin connector attached to a ribbon cable. 5 & 3. 5 or 3. 5' to 3. Rating 4. Standalone M. It was first developed by Western Digital. 4TB. 5ms and latency of 4. 6 million hours. 1 connector and a female SATA III port. Updated: 09/12/2023 by Computer Hope Short for Advanced Technology Attachment, ATA was approved on May 12, 1994, and is an interface that connects hard drives, CD-ROM (compact disc read-only. 5in SATA 6Gb/s 7200 RPM (ST22000NT001) $479. Place orders by 1:00 PM, PST to make the final call for shipping December 19th-20th Receive free next-day shipping (UPS) on purchases $100 or more before taxes delivered within the contiguous United States, excluding addresses in Hawaii, Alaska, Puerto Rico and other U. ATA-7 is thought to be the last stage of development before. SATA (pronounced say-da), short for Serial ATA (Serial Advanced Technology Attachment), is an IDE standard first released in 2001 for connecting devices. Press the power switch to the “On” position, the SATDOCK2REU3 is now ready to use. 0 Nylon Braided Cable with Locking Latch for SATA HDD, SSD, CD Driver, CD Writer (20 Inch, Black,5 Pack) 359. 1 to SATA III adapter, which features a male USB 3. Fast. This is a simple process of writing all zeros (0's) to the. 3) is standard, with. While the maximum length of a PATA cable can extend only up to 18-inches, a SATA cable can extend up to 1 meter, making the moving around of the hard drive more flexible. After installation it restart. 1 connector and a female SATA III port. Method 4. 52°C (125°F) Security. 5" Enterprise Hard Drive -Bare Drive. Try putting this hard drive into a different computer and see if you still get problems. Enterprise Hard Drives & SSDs. Specifications: NEXIN NEX-DS1U3 2. 9 out of 5 stars : Best Sellers RankUSB 3. 0, SATA III Hard Drive Adapter Cable for 3. As an active member of SATA-IO group, we offer many types of SATA connectors, including right angle and vertical PCB mounting orientations, and standard 22-position size in the SATA, slim line SATA, and Micro SATA form factors. IDE was the interface and it also used an ATA protocol for communication. Don't try to strip and solder a SATA cable. 9 ST3160812A 160GB 7200 RPM 8MB Cache IDE Ultra ATA100 / ATA-6 3. Make sure you plugged in the appropriate cables to the hard drive. 00. 0 (SATA 150/300) drives up to 2. com for ATA Hard Drive. Fix 2: Booted with USB then in Command Prompt I used this command bcdboot C:Windows /s C: (you should check if C: is the drive letter where Windows is installed) After restarting the system Windows loaded as usual. Consistent with FAR 12. Customer Reviews: 4. Details. X Series High-capacity storage and reliability for serious workloads. . Turn off the power switch on the back of the case and remove the side panel. 2k RPM HDDs would have well under a 100 IOPS, whereas even 15k SAS would still only net you about 200 IOPS. 5" Hard Drive Enclosure, SATA 3. 5mm 6TB solid hard drives, and is compatible with Windows, LINUX and Mac OS and above systems. With that in mind, the answer is NO, as SATA0 is the hard drive and SATA 1 is the DVD drive. 1 (10Gbps) Type C to SATA HDD RAID Enclosure, Aluminum Alloy RAID Array Dock, Support RAID 0/1/Large/Normal HDD RAID Storage Up to 36TB (2 x 18TB) promotional gift card w/ purchase, limited offer. 5/3. Serial ATA-600 : Hard Drive Rotational Speed 7200 RPM : Manufacturer Western Digital Technologies, Inc. And the version 3 was introduced 5 years later in 2009, doubled the transfer rate to 6. Go to view. So I will not be able to boot boot into my computer using that hard drive. Get it fast. SATA to USB Cable with UASP - SATA III 6Gbps - USB 3. 31. 5-inch HDD from the mount. Go to solution Solved by NumLock21, February 25, 2021. Table 33 Device’s behavior by ATA commands 47 Table 34 Power conditions 50 Table 35 Command table for device lock operation 58 Table 36 Command table for device lock operation - continued 59Hi, I have 2 SATA Hard drives. 0 to SATA I/II/III 4 Bay External Hard Drive Docking Station for 2. will show it. Search Newegg. But, usually, HDDs connect via a SATA interface – only 10,000/15,000rpm performance HDDs are available with a SAS interface. 0TB in capacity. 99. Seagate BarraCuda 2TB Internal Hard Drive HDD – 2. Lazada. The differences are more drastic if you look at high-capacity 3. ( 213) ORICO USB 3. 5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC – Frustration Free Packaging (ST2000LM015) Western Digital 2TB WD Blue Mobile Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 2. 55 mm) into the side-mounting holes. Constellation ES is Seagate’s fourth-generation 3. Check if the Hard Drive Is Disabled in BIOS. Supports 2. After completion it shows BOOT MENU. Data Sheet User Manual. 5". I have tried to change data cables data ports and cleaned up my whole system and nothing has worked. Serial ATA was designed to allow users to install a Serial ATA host adapter and Serial ATA disk drive in the current system and expect all of the existing applications to work as normal. On older SATA drives, you might also see a 4-pin Molex power connector. SATA is a serial link – a single cable with at least four wires that form a point-to-point connection between devices. It is either a 9. SATA_2: 500GB HDD (Media Storage) SATA_3: Optical Drive-> I have two optical drives in my system. Simply repeat with remaining drives and easy-peasy lemon-squeezie. and a rotational speed of 5900 rpm deliver swift file transfers. 5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging. 5mm SSD/HDD Up to 6TB Tool-Free Support UASP-2520U3-V1 $9. 000. In a dock gravity and the weight of the drive causes the connection to the dock. At Datarecovery. com IDE to SATA Hard Drive or Optical Drive Adapter Converter - 40-Pin PATA to 2. 2 -year limited warranty. I did that when I went from a PATA box to a SATA box. Search Newegg. ATA-4 includes Ultra ATA which, in an effort to avoid EMI, makes the most of existing strobe rates by using both the rising and falling edges of the strobe as signal separators. 5-inch SATA Hard Drive 1TB. The drive is still recognizable in the bios but isn’t considered bootable. Es un tipo de unidad de disco que integra el controlador de la unidad directamente en la unidad misma. SATA 2 can transfer data at the speed of 3 Gbit per second while SATA 3 can transfer data at a speed of 6Gbit per second. 5in form factor hard drives (HDD) or solid state drives (SSD) Supports SATA revision 1. 0Gb/s 3. form factor. Supports 2. 3. Press F12 when powering on or restarting your laptop. 23 $ 84. Shipped by Newegg. 5 inch PS3/PS4 Hard Drive - 3 Year Warranty MQ04ABF100 Toshiba 1TB/1000GB 5400rpm Sata 7mm 2. You would boot to this if you wanted to launch an OS or program from a CD. Valid license from Hewlett Packard Enterprise required for possession, use, or copying. Step 2. 5-inch varieties. 04. $10. Check cable and USB port. This convenient cable offers lightning-fast transfer rates of up to 10 Gbps. However 2/3 incorrect password attempts for HDD leads to a continue menu and to boot select menu where I can choose which device to boot from. Recommended Devices: For NAS systems up to 8 drive bays. M. Watch on. Color: Black Changer Type: IDE to SATA with ODD Support Connector A: IDE 40-Pin Connector B: SATA Model #: IDE2SAT2 Item #: N82E16812400465 Return Policy: Extended Holiday Return Policy Connect your SATA. 5 or 12. For over 20 years the BarraCuda family has delivered super-reliable storage for the hard drive industry. Fit for 40-pin IDE device, such as 3. The Answer. 5" SATA HDD / SSD / ODD Converter (IDE2SAT2):. As its name implies, SATA is based on serial signaling technology, where. Get BarraCuda Hard Drives with up to 8TB of capacity and up to 7200-RPM spin speed for the best in data storage. Try a different SATA cable. 9. ; Select all devices. 5" to 2. 0 host interface, with transfer rates up to 480Mbps. 10-20 drives is likely not to have the physical space to put them in. Find a great selection of serial, floppy & SATA cables at Best Buy for your computing needs. See moreAs it turns out, the Detection Error on HDD0 (Main HDD) is typically associated with a bad connection between the hard drive and. SATA (Serial ATA) is the most popular storage interface today and is used for most consumer-grade hard drives. The ATA-4 specification adds Ultra DMA mode 2 (33. 8 out of 5 stars with 1727 reviews. Although most internal drives are 3. 3 out of 5 stars 937. The power connector itself is a Molex 8981 connector called the AMP MATE-N-LOK. 5 / 3. 16 gives an IOPS number of 78. Hard Drive Interface Serial ATA-300 : Hard Drive Rotational Speed 5400 RPM : Manufacturer Tohsiba : ASIN B07NGTZWWZ : Is Discontinued By Manufacturer No : Date First Available January 29, 2019 : Additional Information. It has a dimension of 2. Lab to give our customers confidence that our drives will work in their systems. They are: Hard Disk Drives (HDD) Solid State Drives (SSD) NVMe Drives. If the drive still is not detected after testing the cables, contact your controller card manufactuer to see if there is an update available. S. 5” to 3. (2,448) Seagate - Barracuda 4TB Internal SATA Hard Drive for. How to Fix Lenovo Stuck On Boot Menu?:problem generally occurs due to bios settings, hard disk failure, Windows error, Or there mig. Updated: 09/12/2023 by Computer Hope Short for Advanced Technology Attachment, ATA was approved on May 12, 1994, and is an interface that connects hard drives, CD-ROM (compact disc read-only memory) drives, and other drives. 5 Inch - WD5000AZLX (Renewed) 91. Since then, it has become the standard for connecting an HDD to a desktop or laptop computer. Hard Disk Interface: Serial ATA: Connectivity Technology: SATA: Brand: Kingston: Special Feature: Shock Resistant, Durable: Hard Disk Form Factor: 2. DT01ABA300V （3TB）. ST1000DM014. Once the system has booted, reconnect the SATA cable to the hard drive. 5/3. A SATA hard drive is a type of rewritable mass storage device characterized by respectable transmission speeds, excellent storage capacities, and flawless support by virtually all operating systems and computer motherboards. For Hitachi hard drives, they can be ready by connecting the PCB alone. Bring capacity, speed and long-term dependibility to your PC when you upgrade with cost-effective Seagate® BarraCuda™ hard. 6 out of 5 stars 26,430The SATA interface is still widely used by both HDD and solid state drives (SSD). This convenient cable offers lightning-fast transfer rates of up to 10 Gbps. SATA drives are less expensive and more common than SSDs. Una versión más avanzada de ATA es ideal para interfaces de bus de computadora de. An HDD has either a SATA interface or an IDE interface, but not both at the same time. Seagate Internal Hard Disk Drives. 40-Pin IDE PATA to SATA Adapter Converter - IDE to 2. General. 1. 3V found in a SATA power connector). 5-inch IDE and SATA hard disk drives (HDD) up to 2 TB in size. I got this Neeyer SATA to USB 3. Welcome to Lenovo and Motorola community. territories. ORICO-6518C3-G2. Place orders by 1:00 PM, PST to make the final call for shipping December 19th-20th Receive free next-day shipping (UPS) on purchases $100 or more before taxes delivered within the contiguous United States, excluding addresses in Hawaii, Alaska, Puerto Rico and other U. Open a command prompt with administrator privileges. 5inch / 3. SATA ( Serial AT Attachment) [a] [2] is a computer bus interface that connects host bus adapters to mass storage devices such as hard disk drives, optical drives, and solid-state drives. It is a disk drive that integrates the drive controllerdirectly on the drive itself. As it turns out, the Detection Error on HDD0 (Main HDD) is typically associated with a bad connection between the hard drive and the connector on your motherboard. Attach the interface and power cables to the drive. 5 Inch) SATA 6 Gb/s 5400 RPM 256 MB Cache for Computer Desktop PC. You can use it to manage your disk, migrate OS, clone disk, recover data, etc. Each new revision added new DMA transfer modes to improve drive. 5 SATA HDD. ; A menu open up, press the tab key to switch over menu's and then go to Lenovo diagnostics. SATA drives are usually one of two sizes: 3. Due to this, theyELECTOP SATA III Cable, 6Gbps Straight HDD SDD Data Cable, SATA 3. select the "Details" Tab. 99. USB to SATA adapter. 211 and 12. 99. SATA III Internal Hard Disk Drives. 5/3. Customer Reviews: 2. I also picked up an USB to SATA/IDE cable. $1159 ($1. 5. in. 5" Hard Drive HDD to SSD Conversion Caddy R494D F767D. 5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004 Visit the Seagate Store 4. If you don't know the exact ATA security status of the drive, smartctl -g security /dev/sda etc. MemoryIt has a similar shape to a traditional hard disk drive (HDD) and connects over SATA cables so it offers a very familiar experience to what many are already used to. Amazon. A window will appear where you can see all your HDDs. 0 Docking Station is designed with a simple and compact idea which offers an easy and convenient way for data backup and recovery, hard drive testing, and fast access to archived hard drives. If you have a Nitro 5 model that came only with an M. 5" & 3. Press Ctrl+Alt+Del to restart. Barracuda 3. The 4TB of memory provides lots of storage space for content, while the data transfer speeds of up to 180MB/sec. Instead, flatten the contacts back out, get a fresh SATA cable and carefully line the bare copper contacts from the hard drive up with the contacts in the cable. It was first developed by Western Digital and Compaq in 1986 for compatible hard drives and CD or DVD drives. 60°C (140°F) Recommended maximum temperature. BarraCuda 3. Power consumption is reduced from that of Idle mode. 5/3. Hard Disk Drive Specification HGST Travelstar Z7K500 2. 00 shipped by Amazon or get. 5 Inch SATA 6 Gb/s 7200 RPM 256MB Cache for Computer Desktop PC (ST14000DM001) (Renewed) Seagate IronWolf Pro ST12000NT001 12TB 7200 RPM 256MB Cache SATA 6. 0 SATA HDD/SSD Dock- 1:1 DuplicatorMethod 2. 4. If a hard drive is present, it is spun down. It is a backup and cloning solution with an integrated card reader, supporting CF, SD, XD, MS, and Mini SD, T-Flash, and Micro SD formats up to 32 GB in size. Today, a data rate of 6Gbps (called SATA 3. [November, 2023] The best HDDs price in Philippines starts from ₱ 116. DRIVE COMPATIBILITY: Works with 2. More Buying Choices. Elevate your data storage with Toshiba Cloud-Scale Hard Drives and Enterprise HDDs, trusted by leading CSPs and OEMs for unmatched quality and. ASIN : B07H2RR55Q : Customer Reviews: 4. 5 inch Type-C Hard Drive Dock . The PATA drive on the right uses the larger connector full of pins for data, and the four-prong connector on the right for power. 2 SSD. 5mm 2. 0 To USB C SATA Dual Bay External Hard Drive Enclosure for 2. MiniTool Partition Wizard is a powerful program. 5 4. Yes, but only if the SATA controller supports hot swap and that feature is enabled in the bios. Exos X Series. ) It's not a good choice for this application. It's all IDE really, (internal disk electronics). Release Date. Follow these instructions to install an ATA hard drive on your PC. Hard Disk Interface: Serial ATA: Connectivity Technology: SATA: Brand: Seagate: Special Feature: Data Recovery Service: Hard Disk Form Factor: 3. However, SATA drives are also slower to boot up and slower in retrieving data than SSDs. 4 out of 5 stars 997 ratings. 1. 5 inch HDD SSD with Cloner Function Hard Drive Duplicator Support 4x16TB SSD 6648US3. 99. 5 Inch SATA 6 Gb/s 5400 RPM 128MB Cache for PC Laptop – Frustration Free Packaging (ST1000LM048) Western Digital 1TB WD Blue PC Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 64 MB Cache, 3. BarraCuda Desktop 6-Gb/s Hard Drive 2TB. The cable is easier to detangle with the SATA cable, as it can be moved around with more space within the. 5/2. Method Two. The Cyclical Redundancy Check (CRC) implemented. I look in device manager, disk management, and a downloaded WD Data lifeguard Diagnostic tool for. However, it puts out a relatively small. before physically disconnecting to avoid data corruption. SCSI was designed for a wide variety of things, including hard drives. 5 Hardisk 1TB For CCTV HDD For Cctv DVR. Right here you can see which SATA port your HDD is using. Windows Boot Manager 2. 2Workload Rate is defined as the amount of user data transferred to or from the hard drive. 5 inch SATA and IDE hard drives so you can quickly and easily connect your hard drives through your USB 2. The Serial-ATA interface has been used on HDDs and SSDs for over a decade. It very suddenly crashed and said I had to restart the computer. You can add expansion cards to increase the number.