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Ultrastar DC SS530
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Interface

SAS 12 Gb/s

Form Factor

SFF 2.5-inch drive

Capacity1

10 DW/D: 3.2TB / 1.6TB / 800GB / 400GB
3 DW/D: 6.4TB / 3.2TB / 1.6TB / 800GB / 400GB
1 DW/D: 15.36TB / 7.68TB / 3.84TB / 1.92TB / 960GB / 480GB

Endurance (Drives writes per day, DW/D)2

10
3
1


Maximum Terabytes Written (TBW)

10 DW/D: 59,690 / 29,410 / 15,220 / 7,630
3 DW/D: 36,170 / 17,520 / 9,410 / 4,700 / 2,350
1 DW/D: 30,110 / 15,050 / 6,790 / 3,760 / 1,880 / 940

Flash Memory Technology

3D TLC NAND

Performance3

Sequential Write (max MiB/s, 128KiB)

2,120

Random Read (max IOPS, 4KiB)

440,000

Random Write (max IOPS, 4KiB)

10 DW/D: 320,000
3 DW/D: 240,000
1 DW/D: 100,000

Mixed Random Read/Write (max IOPS 70%R/30%W, 4KiB)

10 DW/D: 430,000
3 DW/D: 330,000
1 DW/D: 190,000

Read/Write Latency (μs, max)4

10 DW/D: 92/26
3 DW/D: 92/27
1 DW/D: 92/36

Reliability

Unrecoverable Bit Error Rate (UBER)

1 in 1017

MTBF (M hours)5

2.5

Annualized Failure Rate (AFR)

0.35%

Availability (hrs/day x days/week)

24x7

Limited warranty6

5 years

Power

Requirement

+5 VDC, +12 VDC

Operating (W, typical)

9, 11, 14

Idle (W, average)

3.2

Physical Size

z-height (mm)

15

Dimensions (width x depth, mm)

70.1 x 100.45

Weight (g, max)

175

Environmental

Operating Temperature7

0°C to 70°C

Non-operating Temperature

-40°C to 85°C

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