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/$)
Western Digital Scorpio Blue WD10JPVT SATA 3 Gb/s 5400 8 1000 2 57.99 17.24
Samsung Spinpoint M8 ST1000LM024 SATA 3 Gb/s 5400 8 1000 58.00 17.24
Hitachi Travelstar 5K1000 0J22413 SATA 6 Gb/s 5400 8 1000 59.99 16.67
Western Digital Blue WD7500BPVX SATA 6 Gb/s 5400 8 750 2 46.05 16.29
Hitachi Travelstar 5K1000 HTS541010A9E680 SATA 6 Gb/s 5400 8 1000 62.45 16.01
Toshiba PH2100U-1I54 SATA 6 Gb/s 5400 8 1000 64.40 15.53
Toshiba MQ01ABD100 SATA 3 Gb/s 5400 8 1000 64.99 15.39
Western Digital Blue WD10JPVX SATA 6 Gb/s 5400 8 1000 2 65.99 15.15
Hitachi 0J11563 SATA 3 Gb/s 5400 8 750 3 52.50 14.29
Hitachi 0J11562 SATA 3 Gb/s 5400 8 640 3 45.50 14.07
Toshiba HDKBB97 SATA 5400 8 750 56.95 13.17
Western Digital Black WD7500BPKX SATA 6 Gb/s 7200 16 750 5 56.97 13.16
Western Digital Scorpio Blue WD7500BPVT SATA 3 Gb/s 5400 8 750 3 57.00 13.16
Western Digital Scorpio Blue WD6400BPVT SATA 3 Gb/s 5400 8 640 3 49.99 12.80
Western Digital Blue WD7500LPCX SATA 6 Gb/s 5400 16 750 2 59.99 12.50
Western Digital Red WD7500BFCX SATA 6 Gb/s 16 750 3 60.24 12.45
Hitachi 0J11561 SATA 3 Gb/s 5400 8 500 3 40.50 12.35
Toshiba HDKBB097 SATA 5400 8 750 61.09 12.28
Western Digital Blue WD5000LPVX SATA 6 Gb/s 5400 8 500 2 42.00 11.90
Toshiba MQ01ABD050 SATA 3 Gb/s 5400 8 500 42.95 11.64
Western Digital Scorpio Blue WD5000BPVT SATA 3 Gb/s 5400 8 500 3 45.00 11.11
Seagate Momentus 5400.6 ST9500325AS SATA 3 Gb/s 5400 8 500 46.00 10.87
Samsung HN-M640MBB SATA 3 Gb/s 8 640 59.00 10.85
Toshiba MQ01ABF050 SATA 6 Gb/s 5400 8 500 46.90 10.66
Hitachi Travelstar H2IK500854SP SATA 3 Gb/s 5400 500 46.90 10.66
Hitachi Travelstar 7K500 HTS725050A9A364 SATA 3 Gb/s 7200 16 500 3 47.00 10.64
Western Digital Scorpio Blue WD5000LPVT SATA 3 Gb/s 5400 8 500 2 47.99 10.42
Hitachi Travelstar 7K750 0J12281 SATA 3 Gb/s 7200 16 500 47.99 10.42
Western Digital Scorpio Blue WD7500KPVT SATA 3 Gb/s 5200 8 750 3 72.65 10.32
Western Digital Laptop Mainstream WDBMYH5000ANC SATA 3 Gb/s 5400 8 500 48.99 10.21
Samsung Spinpoint M8 HN-M500MBB SATA 3 Gb/s 8 500 49.90 10.02
Seagate Momentus 7200.4 ST9500423AS SATA 3 Gb/s 7200 16 500 51.50 9.71
Toshiba MK6459GSX SATA 5400 650 3 68.00 9.56
Seagate Momentus ST905003N1A1AS-RK SATA 3 Gb/s 5400 8 500 52.31 9.56
Toshiba MK5059GSXP SATA 3 Gb/s 5400 8 500 53.49 9.35
Seagate Momentus 7200.4 ST9500420AS SATA 3 Gb/s 7200 16 500 53.50 9.35
Toshiba MKxx76GSX Series MK6476GSX SATA 3 Gb/s 5400 8 640 1 69.00 9.28
Toshiba PH2050U-1I54 SATA 6 Gb/s 5400 8 500 54.99 9.09
Western Digital Black WD5000BPKX SATA 6 Gb/s 7200 16 500 5 54.99 9.09
Western Digital Scorpio Black WD5000BPKT SATA 3 Gb/s 7200 16 500 5 55.40 9.03
Western Digital Scorpio Black WD5000BEKT SATA 3 Gb/s 7200 16 500 5 55.88 8.95
Western Digital WDBMYH5000ANC-NRSN SATA 3 Gb/s 5400 8 500 55.99 8.93
Samsung HN-M101MBB SATA 3 Gb/s 8 500 57.00 8.77
Seagate ST500LM021 SATA 6 Gb/s 7200 32 500 57.27 8.73
Hitachi Travelstar 0S02858 SATA 3 Gb/s 7200 500 57.99 8.62
Hitachi Travelstar Z7K500 HTS725050A7E630 SATA 6 Gb/s 7200 32 500 59.99 8.33
Seagate Constellation ST9500530NS SATA 3 Gb/s 7200 32 500 5 65.00 7.69
Hitachi Travelstar 7K500 HTS725032A9A364 SATA 3 Gb/s 7200 16 500 3 65.00 7.69
Western Digital Scorpio Blue WD5000BEVT SATA 3 Gb/s 5400 8 500 3 69.49 7.20
Western Digital Product Line:AV-25 WD5000LUCT SATA 3 Gb/s 5400 16 500 71.85 6.96
Toshiba MKxx65GSX Series MK5065GSX SATA 3 Gb/s 5400 8 500 74.00 6.76
Seagate ST500LM000 SATA 6 Gb/s 64 500 74.18 6.74
Seagate ST500LT032 SATA 6 Gb/s 5400 16 500 76.96 6.50
HP Midline 507750-B21 SATA 3 Gb/s 7200 500 80.00 6.25
Toshiba MK5059GSX SATA 500 3 95.00 5.26
Seagate Momentus ST905003N3A1AS-RK SATA 3 Gb/s 7200 16 500 105.00 4.76
Samsung Spinpoint M7E HM501II SATA 3 Gb/s 5400 8 500 109.99 4.55
Seagate Momentus XT ST500LX003 SATA 6 Gb/s 7200 32 500 115.00 4.35
Seagate Constellation.2 ST9500620NS SATA 6 Gb/s 7200 64 500 117.35 4.26
Seagate Momentus XT ST95005620AS SATA 3 Gb/s 7200 32 500 127.00 3.94
Western Digital Product Line:VelociRaptor WD5000BHTZ SATA 6 Gb/s 10000 64 500 5 144.99 3.45
Lenovo ThinkPad 43N3423 SATA 3 Gb/s 7200 16 500 165.14 3.03
Samsung Spinpoint M7 HM500JI SATA 3 Gb/s 5400 8 500 169.95 2.94
Seagate Momentus 7200.4 ST9500420ASG SATA 3 Gb/s 7200 16 500 179.95 2.78
Seagate Constellation.2 ST9500621NS SATA 6 Gb/s 7200 64 500 198.41 2.52
Seagate Constellation.2 ST9500622NS SATA 6 Gb/s 7200 64 500 236.00 2.12
IBM 42D0752 SATA 7200 500 300.00 1.67
Seagate Momentus Thin ST500LT012 SATA 1.5 Gb/s 5400 16 0 44.95 0.00
Hitachi Travelstar HTS725025A9A364 SATA 3 Gb/s 7200 16 0 65.00 0.00
Toshiba MK6476GSXN SATA 3 Gb/s 5400 0 65.00 0.00
Toshiba MQ01ABF050H SATA 6 Gb/s 5400 32 500GB/SLC 8GB 55.99 0.00
Toshiba PH2050U-1SHD SATA 6 Gb/s 5400 32 500GB + 8GB NAND Flash 56.99 0.00
Western Digital Scorpio Blue WDBABC0010BNC-NRSN SATA 1.5 Gb/s 5400 8 0 2 71.49 0.00

Price History

Recent Price Changes

2014-09-18 $53.50 -0.25
2014-09-16 $53.75 -0.25
2014-09-15 $54.00 -5.00
2014-08-18 $59.00 -10.95
2014-08-18 $69.95 +14.95
2014-08-06 $55.00 -1.00
2014-08-06 $56.00 -1.00
2014-08-05 $57.00 -1.00
2014-08-05 $58.00 -1.00
2014-08-05 $59.00 -0.50

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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