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Product Comparison

Technical Specifications

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Feature

Brand: Seagate|SKU: ST8000NM018B

Seagate Exos 7E10 ST8000NM018B - Hard drive - 8 TB - internal - SAS 12Gb/s - 7200 rpm - buffer: 256 MB

£197.68

Stock: 0

Brand: Seagate|SKU: ST20000NM002D

Seagate Exos X20 ST20000NM002D - Hard drive - 20 TB - internal - SAS 12Gb/s - 7200 rpm - buffer: 256 MB

£410.78

Stock: 1

Brand: Seagate|SKU: ST4000NM024B

Seagate Exos 7E10 ST4000NM024B - Hard drive - 4 TB - internal - SATA 6Gb/s - buffer: 256 MB

£145.01

Stock: 1

Brand: Seagate|SKU: ST20000VE004

HDD Skyhawk AI 20T 512MB 7.2K 3.5 SATA6G

£409.15

Stock: 18

Brand: Seagate|SKU: ST1200MM0129

Seagate Exos 10E2400 ST1200MM0129 - Hybrid hard drive - 1.2 TB (16 GB Flash) - internal - 2.5" SFF - SAS 12Gb/s - 10000 rpm - buffer: 256 MB

£164.83

Stock: 1

Group 30622

24/7 operation

Yes

—

Yes

—

Average latency

4.16 ms

—

4.16 ms

—

2.9 ms

Component for

Disk array

—

HDD average transfer rate

—

285 MB/s

—

HDD capacity

8 TB

20 TB

4 TB

—

1.2 TB

HDD interface transfer rate

12 Gbit/s

6 Gbit/s

—

12 Gbit/s

HDD size

3.5"

—

2.5"

HDD speed

7200 RPM

—

10000 RPM

HDD sustained transfer rate

—

272 MiB/s

—

Interface

SAS

Serial ATA III

—

SAS

Mean time between failures (MTBF)

2000000 h

2500000 h

2000000 h

—

Rotational Vibration (RV) sensors

Yes

—

Yes

—

Storage drive buffer size

256 MB

—

256 MB

—

Type

HDD

—

HDD

Uncorrectable Bit Error Rate (UBER)

< 1 per 10^15 bits read

—

< 1 per 10^15 bits read

—

Group 65

Depth

147 mm

—

100.5 mm

Height

26.1 mm

—

15 mm

Weight

716 g

670 g

620 g

—

230 g

Width

101.8 mm

—

70.1 mm

Group 30609

Harmonized System (HS) code

84717050

—

84717050

Group 1595

Non-operating shock

300 G

200 G

300 G

—

100 G

Non-operating vibration

5 G

2.27 G

5 G

—

3 G

Operating shock

70 G

40 G

70 G

—

40 G

Operating temperature (T-T)

5 - 60 °C

—

5 - 55 °C

Operating vibration

—

0.5 G

Storage temperature (T-T)

—

-40 - 70 °C

Group 1594

Operating voltage

5 / 12 V

—

5 V

Power consumption (idle)

7.24 W

—

5.16 W

—

3.91 W

Power consumption (read)

—

9.8 W

—

Power consumption (typical)

11.34 W

5.8 W

9.4 W

—

7.12 W

Power consumption (write)

—

7 W

—

Group 31116

Quantity per pack

—

1 pc(s)

—

1 pc(s)