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Table 1: Drive Performance
Capacity 256gB
Interface Speed 6 Gb/s Unit
PCMark vantage 84,000 HDD score
Sequential read (128KB transfer) 530 MB/s
Sequential write (128KB transfer) 500 MB/s
Random read (4KB transfer) 92,000 IOPS
Random write (4KB transfer) 83,000 IOPS
READ latency (TYP) 85 μs
WRITE latency (TYP) 40 40 40 40 μs
Notes: 1. Performance numbers are maximum values, except as noted.
2. Typical I/O performance numbers as measured using Iometer with a queue depth of 32
and write cache enabled. Fresh-out-of-box (FOB) state is assumed. For performance
measurement purposes, the SSD may be restored to FOB state using the SECURE ERASE
command.
3. Iometer measurements are performed on an 20GB span of logical block addresses
(LBAs).
4. 4KB transfers with a queue depth of 1 are used to measure READ/WRITE latency values
with write cache enabled.
5. System variations will affect measured results. For comparison, PCMark scores are measured
with the SSD as a secondary drive in a two-drive system. When measured as an OS
drive, system overhead can cause lower scores.