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Intel
®
Solid-State Drive 520 Series
February 2012 Product Specification
Order Number: 325968-001US 7
Intel
®
Solid-State Drive 520 Series
Notes:
1. Performance measured using Iometer with Queue Depth 32. Measurements are performed on
8 GB of Logical Block Address (LBA) range.
2. Performance measured with incompressible data using AS-SSD* benchmark, where
MB/s = 1,048,576 bytes/second.
Notes: 1. Based on sequential 4 KB using Iometer with Queue Depth 1 workload with compressible (non-random) data pattern.
Write Cache Enabled.
2. Power On To Ready time assumes proper shutdown.
Table 3. Incompressible Performance
Specification Unit
Intel SSD 520 Series
60 GB 120 GB 180 GB 240 GB 480 GB
Random 4 KB Read
(up to) IOPS
12,000
1
18,000
2
24,000
1
35,000
2
46,000
1
56,000
2
46,000
1
56,000
2
46,000
1
56,000
2
Random 4 KB Write (up to) IOPS
6,900
1
22,000
2
13,000
1
42,000
2
13,000
1
54,000
2
16,500
1
60,000
2
9,500
1
36,000
2
Sequential Read (up to) MB/s
430
1
475
2
550
1
515
2
550
1
485
2
550
1
515
2
550
1
500
2
Sequential Write
(up to) MB/s
80
1
85
2
150
1
170
2
170
1
240
2
235
1
295
2
275
1
235
2
Table 4. Latency
Specification
Intel SSD 520 Series
60 GB 120 GB 180 GB 240 GB 480 GB
Latency
1
Read
Write
Power On To Ready
2
80 µs (TYP)
85 µs (TYP)
2 s (TYP)