HDD SATA 6GB/S 4TB 7200RPM 64MB Ultrastar A7K4000 HGST, HUS724040ALE640 HGST Ultrastar 7K4000 is the world’s first 4TB 7200 RPM hard drive with a 2.0 million hours MTBF specification and backed by a full 5-year warranty. Ultrastar 7K4000 represents the sixth-generation HGST 5-platter design, which has been field proven by top server and storage OEMs and Internet giants. Engineered for the highest quality, the Ultrastar 7K4000 is put through grueling design tests during development and must pass stringent ongoing reliability testing during manufacturing. Ultrastar 7K4000 delivers by reducing downtime, eliminating service calls and minimizing TCO. Model(s)HUS724040ALE640HUS724030ALE640HU S724020ALE640InterfaceSATA 6Gb/sCapacity (GB)4TB / 3TB / 2TBSector size (variable, Bytes/sector)512eMax areal density (Gbits/sq. in. )446PerformanceData buffer (MB)64Rotational Speed (RPM)7200Interface transfer rate (MB/sec, max)600Sustained transfer rate (MB/sec, typ. )171Seek Time (read, ms, typical)8.0ReliabilityError Rate (non-recoverable, bits read)1 in 1015MTBF (M hours)2.0Load/Unload Cycles600,000Availability (hrs/day x days/wk)24x7AcousticsIdle (Bels)2.9PowerRequirement+5 VDC(+/-5%) +12 VDC (+10%/-8%)Requirement: Start-up (W, peak, max)1.2 (+5V), 2.0 (+12V)Requirement: Read/Write (W, avg)11.4Unload idle (W)5.7Physical sizeZ-height (mm)26Dimensions (width x depth, mm)101.6 (+/-0.25) x 147Weight (g, max)690Environmental (operating)Ambient temperature5º to 60º CShock (half-sine wave)70Vibration (5 to 500 Hz)0.67 (XYZ)Environmental (non-operating)Ambient temperature-40º to 70º CShock (half-sine wave)300


Denumiri similare la Hard disk intern Hitachi Ultrastar 7K4000 3.5 4TB 7200rpm 64MB SATA3 HUS724040ALE640 0F14683: Ultrastar 7 K 4000 3 5 4 TB 7200 rpm 64 MB SATA 3 HUS 724040 ALE 640 0 F 14683, Ultrastar7K4000354TB7200rpm64MBSATA3HUS724040ALE6400F14683, Ultrastar 7K4000 3.5 4TB 7200rpm 64MB SATA3 HUS724040ALE640 0F 14683

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