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Test Setup And Benchmarks

The Crucial M550 SSD Review: Striking Back With More Performance
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Our consumer storage test bench is based on Intel's Z77 Platform Controller Hub paired with an Intel Core i5-2400 CPU. Intel's 6- and 7-series chipsets are virtually identical from a storage perspective. We're standardizing on older RST 10.6.1002 drivers for the foreseeable future.

Updates to the RST driver package occasionally result in subtle performance changes. They can also lead to some truly profound variance in scores and results as well, depending on the revision. Some versions flush writes more or less frequently. Others work better in RAID situations. Builds 11.2 and newer support TRIM in RAID as well. Regardless, results obtained with one revision may or may not be comparable to results obtained with another, so sticking with one version across all testing is mandatory.

Test Hardware
ProcessorIntel Core i5-2400 (Sandy Bridge), 32 nm, 3.1 GHz, LGA 1155, 6 MB Shared L3, Turbo Boost Enabled
MotherboardGigabyte G1.Sniper M3
MemoryG.Skill Ripjaws 8 GB (2 x 4 GB) DDR3-1866 @ DDR3-1333, 1.5 V
System Drive Intel DC S3500 480 GB SATA 6Gb/s, Firmware: D2010353
Drive(s) Under TestCrucial M550 1024 GB SATA 6Gb/s, Firmware MU01

Crucial M550 512 GB SATA 6Gb/s, Firmware MU01

Intel SSD 730 480 GB SATA 6Gb/s, Firmware: L2010400

Samsung 840 EVO mSATA 120 GB, Firmware: EXT41B6Q

Samsung 840 EVO mSATA 250 GB, Firmware: EXT41B6Q

Samsung 840 EVO mSATA 500 GB, Firmware: EXT41B6Q

Samsung 840 EVO mSATA 1000 GB, Firmware: EXT41B6Q

SanDisk X210 256 GB, Firmware X210400

SanDisk X210 512 GB, Firmware X210400
Comparison DrivesIntel SSD 530 180 GB SATA 6Gb/s, Firmware: DC12

Intel SSD 520 180 GB SATA 6Gb/s, Firmware: 400i

Intel SSD 525 180 GB mSATA, Firmware: LLKi

SanDisk A110 256 GB M.2 PCIe x2, Firmware: A200100

Silicon Motion SM226EN 128 GB SATA 6Gb/s, Firmware: M0709A

Crucial M500 120 GB SATA 6Gb/s, Firmware: MU02

Crucial M500 240 GB SATA 6Gb/s, Firmware: MU02

Crucial M500 480 GB SATA 6Gb/s, Firmware: MU02

Crucial M500 960 GB SATA 6Gb/s, Firmware: MU02

Samsung 840 EVO 120 GB SATA 6Gb/s, Firmware: EXT0AB0Q

Samsung 840 EVO 240 GB SATA 6Gb/s, Firmware: EXT0AB0Q

Samsung 840 EVO 480 GB SATA 6Gb/s, Firmware: EXT0AB0Q

Samsung 840 EVO 1 TB SATA 6Gb/s, Firmware: EXT0AB0Q

SanDisk Ultra Plus 64 GB SATA 6Gb/s, Firmware: X211200

SanDisk Ultra Plus 128 GB SATA 6Gb/s, Firmware X211200

SanDisk Ultra Plus 256 GB SATA 6Gb/s, Firmware X211200

Samsung 840 Pro 256 GB SATA 6Gb/s, Firmware DXM04B0Q

Samsung 840 Pro 128 GB SATA 6Gb/s, Firmware DXM04B0Q

SanDisk Extreme II 120 GB, Firmware: R1311

SanDisk Extreme II 240 GB, Firmware: R1311

SanDisk Extreme II 480 GB, Firmware: R1311

Seagate 600 SSD 240 GB SATA 6Gb/s, Firmware: B660

Intel SSD 525 30 GB mSATA 6Gb/s, Firmware LLKi

Intel SSD 525 60 GB mSATA 6Gb/s, Firmware LLKi

Intel SSD 525 120 GB mSATA 6Gb/s, Firmware LLKi

Intel SSD 525 180 GB mSATA 6Gb/s, Firmware LLKi

Intel SSD 525 240 GB mSATA 6Gb/s, Firmware LLKi

Intel SSD 335 240 GB SATA 6Gb/s, Firmware: 335s

Intel SSD 510 250 GB SATA 6Gb/s, Firmware: PWG2

OCZ Vertex 3.20 240 GB SATA 6Gb/s, Firmware: 2.25

OCZ Vector 256 GB SATA 6Gb/s, Firmware: 2.0

Samsung 830 512 GB SATA 6Gb/s, Firmware: CXMO3B1Q

Crucial m4 256 GB SATA 6Gb/s Firmware: 000F

Plextor M5 Pro 256 GB SATA 6Gb/s Firmware: 1.02

 Corsair Neutron GTX 240 GB SATA 6Gb/s, Firmware: M206
Graphics
MSI Cyclone GTX 460 1 GB
Power Supply
Seasonic X-650, 650 W 80 PLUS Gold
Chassis
Lian Li Pitstop
RAID
LSI 9266-8i PCIe x8, FastPath and CacheCade AFK
System Software and Drivers
Operating
System
Windows 7 x64 Ultimate
DirectX
DirectX 11
Drivers
Graphics: Nvidia 314.07
RST: 10.6.1002
IMEI: 7.1.21.1124
Generic AHCI: MSAHCI.SYS
Benchmarks
Tom's Hardware Storage Bench v1.0
Trace-Based 
Iometer 1.1.0# Workers = 1, 4 KB Random: LBA=16 GB, varying QDs, 128 KB Sequential, 8 GB LBA Precondition, Exponential QD Scaling
PCMark 7
Secondary Storage Suite
PCM Vantage
Storage Suite
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