HP ProDesk 490 G1 - Page 26

HP 128 GB Solid State Drive
Unformatted Capacity 128 GB *
Architecture Multi Level Cell (MLC) NAND
Interface SATA 6 GB/sec
Dimensions (W x H x D) 2.75 x 0.276 x 3.96 in (6.985 x 0.7 x 10.05 cm)
Weight 0.16 lb (73 g)
Bandwidth Performance Sustained Sequential Read: Up to 450 MB/ss
Sustained Sequential Write: Up to 260 MB/s
Random Read (4KB): up to 46K IOPs
Random Write (4KB): up to 56K IOPs
Latency Read: 55ms (TYP)
Write: 55ms (TYP)
Power DC power requirement: Min 4.5 V; Max 5.5 V
Total power consumption: 160 mW (Active) ; <85 mW; (Idle)
Useful Drive Life 1.2 million device hours **
Environmental
(all conditions, non-
condensing)
Operating Temperature: 32° to 158° F (0° to 70° C)
Relative Humidity (operating): 5% to 95%
Shock: 1,500 G/1.0 msec
Regulations UL, CSA, EN 60950-2000, CISPR Pub 22 Class B, CNS 13438, AS/NZS
CISPR 22:2002 Class B, Korea KCC, CE Mark
* For solid state disk drives, GB means 1 billion bytes. 128GB is the unformatted capacity of this drive before a portion of the drive is
reserved for flash management features. Actual capacity will vary by content
** The product achieves a mean time between failure (MTBF) based on population statistics not relevant to individual units.
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/s
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
QuickSpecs
HP ProDesk 490 G1 Microtower Business PC
Technical Specifications - Hard Disk and Solid State Storage
DA - 14695 Worldwide — Version 2 — November 8, 2013 Page 26