Samsung Spinpoint M7E HM321HI vs Comparable 2.5" SATA Hard Disks
Item 3454: Samsung HM321HI
Size320 GB
Cache8 MB
RPM5400
Form Factor2.5"
InterfaceSATA
Speed3 Gb/s
$ 79.95
Disk Interface RPM Cache (MB) Size (GB) Warranty Years Best Price Vendor Value (GB/$)
Western Digital Scorpio Blue WD10TPVT SATA 3 Gb/s 5200 8 1000 3 94.40 10.59
Toshiba MK7559GSXP SATA 3 Gb/s 5400 8 750 89.00 8.43
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
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
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
Hitachi Travelstar 7K500 HTS725050A9A364 SATA 3 Gb/s 7200 16 500 3 94.99 5.26
Western Digital Scorpio Blue WD5000BEVT SATA 3 Gb/s 5400 8 500 3 99.75 5.01
Western Digital Scorpio Blue WD3200BPVT SATA 3 Gb/s 5400 8 320 3 73.99 4.32
Western Digital Scorpio Blue WD3200BEVT SATA 3 Gb/s 5400 8 320 3 74.00 4.32
Seagate Momentus 5400.6 ST9320325AS SATA 3 Gb/s 5400 8 320 74.95 4.27
Samsung Spinpoint M7E HM321HI SATA 3 Gb/s 5400 8 320 79.95 4.00
Seagate Momentus 7200.4 ST9320423AS SATA 3 Gb/s 7200 16 320 81.89 3.91
Seagate Momentus 5400.6 ST320LT022 SATA 3 Gb/s 5400 8 320 2 82.93 3.86
Western Digital AV-25 WD3200BUCT SATA 3 Gb/s 5400 16 320 83.75 3.82
Western Digital Scorpio Blue WDBABC3200ANC-NRSN SATA 3 Gb/s 5400 8 320 3 84.50 3.79
Toshiba MKxx65GSX Series MK3265GSX SATA 3 Gb/s 5400 8 320 85.00 3.76
Hitachi Travelstar Z5K500 HTS545032A7E380 (0J11283) SATA 3 Gb/s 5400 8 320 89.99 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
Western Digital Scorpio Black WD3200BEKT SATA 3 Gb/s 7200 16 320 5 99.99 3.20
Lenovo ThinkPad 43N3403 SATA 1.5 Gb/s 5400 8 320 103.95 3.08
Toshiba MKxx76GSX Series MK3276GSX SATA 3 Gb/s 5400 8 320 3 109.99 2.91
Lenovo ThinkPad 43N3411 SATA 1.5 Gb/s 7200 320 124.95 2.56
Seagate Momentus XT ST93205620AS SATA 3 Gb/s 32 320 126.53 2.53
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
Seagate Momentus ST903203N3A1AS-RK SATA 3 Gb/s 7200 16 320 149.90 2.13
HP AS282AA#ABA SATA 7200 320 313.00 1.02

Price History

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Recent Price Changes

2012-01-12 $79.95 -80.00
2012-01-07 $159.95 +30.00
2012-01-07 $129.95 -30.00
2012-01-06 $159.95 +10.00
2012-01-06 $149.95 -10.00
2012-01-06 $159.95 +10.00
2012-01-06 $149.95 -10.00
2011-12-09 $159.95 +9.96
2011-12-09 $149.99 -9.96
2011-11-22 $159.95 +10.00

Manufacturer's Specs

General
InterfaceSATA 3.0 Gbps
Buffer DRAM Size8 MB
Byte per Sector512
Capacity320 GB
Rotational Speed5,400 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.)138 MB/s
Average Seek time(typical)12 ms
Power
Standby (typical)0.25 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)2.5 W
Voltage+5V+-5%
Acoustics
Idle2.4 Bel
Performance Seek2.6 Bel
Reliability
Non-recoverable Read Error1 sector in 10^14 bits
Physical
Width69.85 mm
Length100 mm
Height (Max.)9.5 mm
Weight (avg.)105 g

External links

Samsung
http://www.samsung.com/us/c...
HM321HI
http://www.samsung.com/glob...

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