HP ProDesk 400 G1 - Page 27

HP 256 GB SATA 2.5" Self-Encrypting (SED) Solid State Drive
Unformatted Capacity 256,186,209,271 bytes
Architecture Self-Encrypting (SED) Solid State Drive with 25nm MLC NAND Flash and SATA interface
Interface Serial ATA 2.0 (3.0 Gb/s)
NAND Flash 25nm MLC NAND Flash
Height .275 in/7mm
Width 2.75 in/69.85 mm
Length 3.95 in/100.5 mm
Weight 0.161 lb (73 g)
Bandwidth Performance Sustained Sequential 128k Read: Up to 450 MB/ss
Sustained Sequential 128k Write: Up to 260 MB/s
Random 4k Read: up to 46K IOPs
Random 4k Write: up to 56K IOPs
Latency Read: 55 µs
Write: 55 µs
Power SATA power consumption: 160 mW (active average); <85 mW (idle average)
Useful Drive Life 72TB written, up to 40GB/day for 5 years
Environmental
(all conditions, non-condensing)
Operating Temperature: 32° to 158° F (0° to 70° C)
Relative Humidity: 5% to 95%
Shock: 1,500 G/1 ms
HP 500 GB SATA 6G 2.5" 8GB Solid State Hybrid Drive (SSHD)
Formatted Capacity 500 GB
Spindle Speed 5,400 rpm +/- 0.2%
Drive Type Solid State Hybrid Drive (SSHD) technology with NAND Flash
Interface Serial ATA (SATA)
Cache Buffer 64 MB
NAND Flash Commercial
Multilevel Cell (cMLC)
8 GB
Number of Sectors 976,773,168
Seek Time (typical reads) Single Track: 2.0 ms
Average: 12 ms
Height 0.268 +/-.008 in (6.8 +/- 0.2 mm)
Width 2.750 +/- 0.010 in (69.85 +/- 0.25 mm)
Length 3.951 +0.008 / -0.010 in (100.35 +0.20 / -0.25 mm)
Weight 0.209 lb/95 g (max)
Operating Temperature 32° to 140° F (0° to 60° C)
QuickSpecs
HP ProDesk 400 G1 Business Series Desktop
Technical Specifications - Hard Disk and Solid State Storage
DA - 14693 North America — Version 5 — February 13, 2014 Page 27