Seagate Momentus 7200.4 ST9500420AS (500 GB)

vs Comparable 2.5" SATA Hard Disks
Item 1541: Seagate Momentus 7200.4 500GB ST9500420AS
BrandSeagate
FamilyMomentus 7200.4
PartST9500420AS
Size500 GB
Cache16 MB
RPM7200
Form Factor2.5"
InterfaceSATA
Speed3 Gb/s
ST9500420AS Reviews6 (avg: 4.5/5)
Disk Interface RPM Cache (MB) Size (GB) Warranty Years Best Price Vendor Value (GB/$)
Hitachi Travelstar 5K1000 0J22413 SATA 6 Gb/s 5400 8 1000 48.00 20.83
Toshiba PH2100U-1I54 SATA 6 Gb/s 5400 8 1000 49.99 20.00
Samsung Spinpoint M8 ST1000LM024 SATA 3 Gb/s 5400 8 1000 52.45 19.07
Hitachi Travelstar 5K1000 HTS541010A9E680 SATA 6 Gb/s 5400 8 1000 54.95 18.20
Western Digital Scorpio Blue WD10JPVT SATA 3 Gb/s 5400 8 1000 2 57.28 17.46
Western Digital Blue WD10JPVX SATA 6 Gb/s 5400 8 1000 2 57.99 17.24
Toshiba MQ01ABD100 SATA 3 Gb/s 5400 8 1000 59.99 16.67
Western Digital Blue WD7500BPVX SATA 6 Gb/s 5400 8 750 2 48.49 15.47
Western Digital WDBMYH0010BNC-NRSN SATA 3 Gb/s 5400 8 1000 67.99 14.71
Toshiba MQ01ABF050 SATA 6 Gb/s 5400 8 500 34.00 14.71
Western Digital Scorpio Blue WD7500BPVT SATA 3 Gb/s 5400 8 750 3 51.49 14.57
Western Digital Red WD10JFCX SATA 6 Gb/s 16 1000 3 69.81 14.32
Western Digital Blue WD5000LPVX SATA 6 Gb/s 5400 8 500 2 35.00 14.29
Hitachi 0J11563 SATA 3 Gb/s 5400 8 750 3 55.00 13.64
Western Digital Blue WD7500LPCX SATA 6 Gb/s 5400 16 750 2 55.98 13.40
Seagate ST1000LM014 SATA 6 Gb/s 64 1000 74.95 13.34
Western Digital AV-25 WD10JUCT SATA 3 Gb/s 5400 16 1000 3 74.99 13.34
Western Digital Blue WD10SPCX SATA 6 Gb/s 5400 16 1000 2 77.68 12.87
Toshiba MQ01ABD050 SATA 3 Gb/s 5400 8 500 40.99 12.20
Western Digital Scorpio Blue WD6400BEVT SATA 3 Gb/s 5400 8 640 3 52.50 12.19
Western Digital Black WD7500BPKX SATA 6 Gb/s 7200 16 750 5 61.75 12.15
Western Digital Red WD7500BFCX SATA 6 Gb/s 16 750 3 62.01 12.09
Western Digital Scorpio Blue WD6400BPVT SATA 3 Gb/s 5400 8 640 3 52.99 12.08
Hitachi 0J11562 SATA 3 Gb/s 5400 8 640 3 53.00 12.08
Western Digital Scorpio Blue WD5000LPVT SATA 3 Gb/s 5400 8 500 2 41.41 12.07
Western Digital Scorpio Blue WD5000BPVT SATA 3 Gb/s 5400 8 500 3 43.99 11.37
Samsung Spinpoint M7 HM500JI SATA 3 Gb/s 5400 8 500 44.50 11.24
Seagate ST500LM021 SATA 6 Gb/s 7200 32 500 44.95 11.12
Samsung Spinpoint M8 HN-M500MBB SATA 3 Gb/s 8 500 44.99 11.11
Toshiba MK6459GSX SATA 5400 650 3 59.00 11.02
Western Digital Scorpio Blue WD7500KPVT SATA 3 Gb/s 5200 8 750 3 68.68 10.92
Western Digital Scorpio Blue WD5000BEVT SATA 3 Gb/s 5400 8 500 3 47.00 10.64
Hitachi Travelstar Z7K500 HTS725050A7E630 SATA 6 Gb/s 7200 32 500 49.89 10.02
Hitachi Travelstar Z5K500 HTS545050A7E380 (0J11285) SATA 3 Gb/s 5400 8 500 49.99 10.00
Seagate Constellation ST9500530NS SATA 3 Gb/s 7200 32 500 5 50.00 10.00
Seagate Momentus XT ST750LX003 SATA 6 Gb/s 7200 32 750 75.69 9.91
Hitachi 0J11561 SATA 3 Gb/s 5400 8 500 3 51.00 9.80
Western Digital Black WD5000BPKX SATA 6 Gb/s 7200 16 500 5 52.75 9.48
Seagate Momentus 7200.4 ST9500423AS SATA 3 Gb/s 7200 16 500 53.00 9.43
Toshiba MK5059GSXP SATA 3 Gb/s 5400 8 500 55.45 9.02
Samsung HN-M101MBB SATA 3 Gb/s 8 500 56.00 8.93
Seagate ST500LM000 SATA 6 Gb/s 64 500 57.00 8.77
Western Digital Scorpio Black WD5000BPKT SATA 3 Gb/s 7200 16 500 5 57.95 8.63
Western Digital Scorpio Black WD5000BEKT SATA 3 Gb/s 7200 16 500 5 57.99 8.62
Seagate Momentus ST905003N1A1AS-RK SATA 3 Gb/s 5400 8 500 58.41 8.56
Toshiba MKxx65GSX Series MK6465GSX SATA 3 Gb/s 5400 8 640 75.00 8.53
Hitachi Travelstar 0S02858 SATA 3 Gb/s 7200 500 58.99 8.48
Seagate Momentus 7200.4 ST9500420AS SATA 3 Gb/s 7200 16 500 60.00 8.33
Toshiba PH2050U-1I54 SATA 6 Gb/s 5400 8 500 60.39 8.28
Toshiba HDD2J92 SATA 3 Gb/s 5400 8 640 78.00 8.21
Toshiba MKxx76GSX Series MK6476GSX SATA 3 Gb/s 5400 8 640 1 78.00 8.21
Seagate Momentus 7200.4 ST9500420ASG SATA 3 Gb/s 7200 16 500 64.50 7.75
Hitachi Travelstar 7K500 HTS725032A9A364 SATA 3 Gb/s 7200 16 500 3 68.00 7.35
Western Digital WDBMYH5000ANC-NRSN SATA 3 Gb/s 5400 8 500 69.73 7.17
Seagate Momentus XT ST95005620AS SATA 3 Gb/s 7200 32 500 70.00 7.14
Seagate Momentus 5400.6 ST9500325AS SATA 3 Gb/s 5400 8 500 78.36 6.38
Seagate Constellation.2 ST9500620NS SATA 6 Gb/s 7200 64 500 87.65 5.70
HP Midline 507750-B21 SATA 3 Gb/s 7200 500 87.79 5.70
Hitachi Travelstar H2IK500854SP SATA 3 Gb/s 5400 500 88.00 5.68
Western Digital Product Line:AV-25 WD5000LUCT SATA 3 Gb/s 5400 16 500 89.23 5.60
Hitachi Travelstar 7K750 0J12281 SATA 3 Gb/s 7200 16 500 89.99 5.56
Toshiba MK5059GSX SATA 500 3 95.00 5.26
Seagate Momentus 7200 ST9500422AS SATA 3 Gb/s 7200 16 500 144.80 3.45
Western Digital Product Line:VelociRaptor WD5000BHTZ SATA 6 Gb/s 10000 64 500 5 153.23 3.26
Seagate Constellation.2 ST9500621NS SATA 6 Gb/s 7200 64 500 156.19 3.20
Hitachi Travelstar 7K500 HTS725050A9A364 SATA 3 Gb/s 7200 16 500 3 161.99 3.09
Lenovo ThinkPad 43N3423 SATA 3 Gb/s 7200 16 500 165.00 3.03
Toshiba MKxx65GSX Series MK5065GSX SATA 3 Gb/s 5400 8 500 175.00 2.86
IBM 42D0752 SATA 7200 500 410.00 1.22
Samsung Spinpoint M7E HM501II SATA 3 Gb/s 5400 8 500 517.86 0.97
Western Digital AV WD3200BVVT SATA 3 Gb/s 5400 8 0 3 52.00 0.00
Seagate Momentus Thin ST500LT012 SATA 1.5 Gb/s 5400 16 0 38.00 0.00
Toshiba MK1661GSYB SATA 3 Gb/s 7200 16 0 3 55.00 0.00
Hitachi Travelstar HTS725025A9A364 SATA 3 Gb/s 7200 16 0 48.90 0.00
Toshiba MQ01ABF050H SATA 6 Gb/s 5400 32 500GB/SLC 8GB 59.99 0.00

Price History

Recent Price Changes

2015-04-25 $60.00 +10.01
2015-04-25 $49.99 -10.01
2015-04-24 $60.00 +10.01
2015-04-24 $49.99 +1.00
2015-04-24 $48.99 -11.01
2015-04-15 $60.00 -40.00
2015-04-14 $100.00 -20.00
2015-04-14 $120.00 +2.62
2015-04-14 $117.38 +57.38
2015-04-13 $60.00 -57.13

Manufacturer's Specs

General
InterfaceSATA 3.0Gb/s
Guaranteed Sectors976,773,168
Cache16 MBytes
Capacity500 GB
Areal density (avg)394 Gbits/inch2
Performance
Random write seek time13.0 msec
Average latency4.17 msec
Spindle Speed7,200 rpm
Random read seek time11.0 msec
Power
5V start max current1.0 amps
Reliability
Annual Failure Rate0.5
Physical
Width (max)69.85 mm (2.750 inches)
Weight (typical)110 grams (0.238 pounds)
Height (max)9.5 mm (0.370 inches)
Length (max)100.35 mm (3.951 inches)

External links

Seagate ST9500420AS Reviews & Benchmarks

Review the Tech - Seagate Momentus 7200.4 SATA 3Gb/s 500-GB Hard Drive ST9500420AS (9/10) - July 12, 2011
Silent PC Review - More 500GB notebook drives: Seagate Momentus 7200.4 & Hitachi Travelstar 5K500.B - Nov. 5, 2009

Other Seagate Momentus 7200.4 Reviews & Benchmarks

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