Toshiba MHZ2xxxBJ Series MHZ2320BJ vs Comparable 2.5" SATA Hard Disks
Item 4255: Toshiba MHZ2320BJ
Size320 GB
Cache16 MB
RPM7200
Form Factor2.5"
InterfaceSATA
Speed3 Gb/s
Disk Interface RPM Cache (MB) Size (GB) Warranty Years Best Price Vendor Value (GB/$)
Western Digital AV-25 WD3200BUDT SATA 3 Gb/s 5400 32 320 3 64.40 4.97
Western Digital Scorpio Blue WD3200BPVT SATA 3 Gb/s 5400 8 320 3 73.99 4.32
Seagate Momentus 5400.6 ST9320325AS SATA 3 Gb/s 5400 8 320 75.44 4.24
Seagate Momentus 7200.4 ST9320423AS SATA 3 Gb/s 7200 16 320 76.49 4.18
Western Digital Scorpio Blue WD3200BEVT SATA 3 Gb/s 5400 8 320 3 79.16 4.04
Western Digital Scorpio Blue WDBABC3200ANC-NRSN SATA 3 Gb/s 5400 8 320 3 84.20 3.80
Toshiba MKxx65GSX Series MK3265GSX SATA 3 Gb/s 5400 8 320 85.00 3.76
Toshiba MKxx76GSX Series MK3276GSX SATA 3 Gb/s 5400 8 320 3 85.00 3.76
Western Digital AV-25 WD3200BUCT SATA 3 Gb/s 5400 16 320 85.23 3.75
Seagate Momentus ST903203N3A1AS-RK SATA 3 Gb/s 7200 16 320 89.95 3.56
Hitachi Travelstar Z5K320 HTS543232A7A384 SATA 3 Gb/s 5400 8 320 3 89.99 3.56
Samsung Spinpoint MP4 HM320HJ SATA 3 Gb/s 7200 16 320 89.99 3.56
Hitachi Travelstar Z5K500 HTS545032A7E380 (0J11283) SATA 3 Gb/s 5400 8 320 89.99 3.56
Seagate Momentus 5400.6 ST320LT022 SATA 3 Gb/s 5400 8 320 2 96.75 3.31
Lenovo ThinkPad 43N3403 SATA 1.5 Gb/s 5400 8 320 103.95 3.08
Western Digital Scorpio Black WD3200BEKT SATA 3 Gb/s 7200 16 320 5 109.99 2.91
Lenovo ThinkPad 43N3411 SATA 1.5 Gb/s 7200 320 124.95 2.56
Seagate Momentus XT ST93205620AS SATA 3 Gb/s 32 320 125.79 2.54
Seagate Momentus ST903203N1A2AS-RK SATA 3 Gb/s 5400 8 320 129.75 2.47
Toshiba MKxx52GSX Series MK3252GSX SATA 3 Gb/s 5400 8 320 139.95 2.29
Samsung Spinpoint M7E HM321HI SATA 3 Gb/s 5400 8 320 159.95 2.00
HP AS282AA#ABA SATA 7200 320 313.00 1.02
Toshiba MHZ2xxxBJ Series MHZ2320BJ SATA 3 Gb/s 7200 16 320 0.00

Manufacturer's Specs

General
Transfer Rate to Host1.5 Gb/sec or 3 Gb/sec
Number of Data Heads4
Drive Capacity320GB
Number of Platters (disks)2
Drive InterfaceSerial ATA
RoHS CompliantYes
Performance
Average Latency4.17ms
Rotational Speed7,200 RPM
Buffer Size16MB
Track-to-track Seek1.5ms
Average Seek Time10.5ms (Read), 12.5ms (Write)
Power
Standby Power0.13 watts (w/slumber mode)
Sleep Power0.13 watts (w/slumber mode)
Spin up (start) Power1.1 amps
Active Idle Power0.8 watts (w/slumber mode)
Read/Write Power2.3 watts
Voltage5V (+/-5%)
Acoustics
Acoustics (idle)2.5 bels
Physical
Dimensions (W) x (D) x (H)70 mm (2.8") x 100 mm (3.9") x 9.5 mm (0.37")
Weight116 g (4.09 oz.)

External links

Toshiba
http://sdd.toshiba.com/

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