Samsung Spinpoint MP4 HM320HJ vs Comparable 2.5" SATA Hard Disks
Item 5108: Samsung HM320HJ
Size320 GB
Cache16 MB
RPM7200
Form Factor2.5"
InterfaceSATA
Speed3 Gb/s
$ 89.99 + $6.29 shipping
Disk Interface RPM Cache (MB) Size (GB) Warranty Years Best Price Vendor Value (GB/$)
Toshiba MK7559GSXP SATA 3 Gb/s 5400 8 750 91.95 8.16
Western Digital Scorpio Blue WD7500BPVT SATA 3 Gb/s 5400 8 750 3 98.58 7.61
Seagate Momentus ST9640322AS SATA 3 Gb/s 5400 8 640 84.99 7.53
Hitachi 0J11562 SATA 3 Gb/s 5400 8 640 3 89.99 7.11
Hitachi 0J11563 SATA 3 Gb/s 5400 8 750 3 109.82 6.83
Western Digital Scorpio Blue WD6400BPVT SATA 3 Gb/s 5400 8 640 3 99.24 6.45
Hitachi 0Y30055 SATA 3 Gb/s 5400 8 500 3 79.99 6.25
Toshiba MKxx76GSX Series MK5076GSX SATA 3 Gb/s 5400 8 500 3 82.95 6.03
Samsung Spinpoint M8 HN-M500MBB SATA 3 Gb/s 8 500 89.99 5.56
Seagate Momentus 5400.6 ST9500325AS SATA 3 Gb/s 5400 8 500 92.00 5.43
Western Digital Scorpio Blue WD5000BPVT SATA 3 Gb/s 5400 8 500 3 94.95 5.27
Western Digital Scorpio Blue WD5000BEVT SATA 3 Gb/s 5400 8 500 3 98.66 5.07
Hitachi Travelstar Z5K500 HTS545050A7E380 (0J11285) SATA 3 Gb/s 5400 8 500 99.99 5.00
Western Digital AV-25 WD3200BUDT SATA 3 Gb/s 5400 32 320 3 64.40 4.97
Seagate Momentus ST905003N1A1AS-RK SATA 3 Gb/s 5400 8 500 106.89 4.68
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

Price History

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Recent Price Changes

2012-01-19 $89.99 -10.00
2011-12-14 $99.99 +40.00
2011-12-12 $59.99 -40.00
2011-11-03 $99.99 +20.00
2011-11-02 $79.99 +10.00
2011-11-02 $69.99 -10.00
2011-11-01 $79.99 +10.00
2011-10-29 $69.99 +15.00
2011-10-20 $54.99 +5.00
2011-10-20 $49.99 -5.00

Manufacturer's Specs

General
InterfaceSATA 3.0Gbps
Buffer DRAM Size16 MB
Capacity320 GB
Rotational Speed7,200 RPM
Performance
Drive Ready Time(typical)4 sec
Data Transfer Rate / Buffer to/from Host(Max.)300 MB/s
Data Transfer Rate / Media to/from Buffer(Max.)189 MB/s
Average Seek time(typical)11 ms
Power
Standby (typical)0.2 W
Read/Write (typical)2.5 W
Sleep (typical)0.2 W
Spin-up Current (Max.)1000 mA
Idle (typical)0.85 W
Seek (typical)2 W
Voltage+5V+-5%
Acoustics
Idle2.4 Bel
Performance Seek2.6 Bel
Reliability
Non-recoverable Read Error1 sector in 1014 bits
Physical
Width69.85 mm
Length100.3 mm
Height (Max.)9.5 mm
Weight (avg.)110 g

External links

Samsung
http://www.samsung.com/us/c...
HM320HJ
http://www.samsung.com/glob...

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