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WD Ultrastar DC 20 TB 7200 RPM 512 MB 3.5" SAS 12Gb/s

WD Ultrastar 24 TB 7200 RPM 3.5" SAS-3 (12Gb/s)

WD Ultrastar 24 TB 7200 RPM 512 MB 3.5" SAS-3 (12Gb/s)

WUH722018CL5204 0B47747 | 18 TB | SAS 12Gb/s | Buffer 512 MB | 7200 rpm 3.5"

WD Dysk HDD Purple WD34PURZ (3 TB ; 3.5"; 256 MB; 5400 obr/min)

• Conventional Magnetic Recording (CMR) for broad compatibility • Toshiba 2nd generation Flux Control Microwave-assisted Magnetic Recording (FC-MAMR™) Technology • Industry-leading 10-disk helium-sealed design for superior storage density • Lower operational power profile, providing excellent power efficiency (W/TB) for better TCO • 550 Total TB Transferred per Year Workload Rating • Sanitize Instant Erase (SIE) option model and Self Encrypting Drive (SED) option model

The 3.5-inch N300 NAS hard drive delivers unprecedented reliability for NAS servers and other high-performance storage systems. It is optimized to meet the requirements for reliability, durability, performance and scalability for 24/7 operation, with large storage capacity for personal, home office and small business use. Toshiba NASLink™ technology optimizes hard drive behavior for fast data access, and firmware enhances RAID performance through coordinated drive optimization. The N300 is available in capacities up to 22 TB. Hard drive type EAN 4260557513774 Manufacturer no. MN11ACA18TS N300 series Design 3.5 inch Capacity 18 TB Interface 1x SATA/600 Power connector 15-pin power connector CMR (conventional magnetic recording) recording technology Reading data transfer rate 294 MB/s Speed 7200 rpm Sector size 4 KB with emulation (512e) Read access time 4.17 ms Cache 512MB Idle volume 20 dB(A) Operating power consumption 7.41 W Idle power consumption 4.16 W MTBF 1,000,000 hours Drive bays Maximum of 8 drive bays supported Feature 24/7 continuous operation, NAS support, Toshiba Dynamic Cache technology, Toshiba Stable technology Platter, rugged construction, data protection technology, temperature control, RV sensors, advanced format (AF), halogen-free, shock sensor, native command queuing (NCQ) Dimensions Width: 101.85 mm x Height: 26.1 mm x Depth/Length: 147 mm Weight 730 grams RoHS Compliant Yes

SMR 2.5" 2 TB SATA3 5400RPM 128MB