Crucial RealSSD C300 256GB SSD Review

Written by Harry Butler

July 7, 2010 | 09:59

Tags: #best #comparison #fastest #performance #recommended #review #sata-3 #sata-6gbps #ssd #tested

Companies: #crucial

AS SSD Benchmark Results

Website: AS SSD

AS SSD is a freeware benchmarking tool designed just for SSDs, performing a battery of sequential read and write, as well as random read and write tests and sequential access times over a 3GB portion of the drive. As Windows 7's caching technology makes using more real world based tests like FC-Test almost impossible, this is the next best thing for judging sequential read and write speeds, as well as producing accurate access times and being wonderfully easy to use.

AS SSD also includes a a sub-suite of copy benchmarks with various different file patterns, but we found this was unable to offer reproducable results. We've also not included the 4K random read/write and 4k-64 Thread random read/write figures, as we feel Iometer is fairer representation of random performance.

TRIM is essential for an SSD to maintain its performance. To test whether a drive supports TRIM well or not, we fill and empty each drive mercilessly, writing and then deleting over 500GB of data before emptying the Recycle Bin to trigger the TRIM command. we waited five minutes for each drive to clear its decks. If the drive supports TRIM perfectly, there should be no performance drop-off shown in the lighter tone bars.

AS SSD

Uncompressable Data, Sequential Read Speed

  • Crucial C300 256GB
  • Intel X-25M 160GB
  • OCZ Vertex 120GB
  • OCZ Vertex 2 100GB
  • G.SKill Phoenix
  • Corsair F100 100GB
  • Samsung Spinpoint F3
    • 345
    • 344
    • 250
    • 250
    • 227
    • 220
    • 209
    • 209
    • 206
    • 211
    • 206
    • 206
    • 141
    • 141
0
50
100
150
200
250
300
350
MB/sec, Higher Is Better
  • Average Read
  • Average Read (post TRIM)

AS SSD

Uncompressable Data, Sequential Write Speeds

  • Crucial C300 256GB
  • OCZ Vertex 120GB
  • G.SKill Phoenix
  • OCZ Vertex 2 100GB
  • Intel X-25M 160GB
  • Corsair F100 100GB
    • 215
    • 190
    • 156
    • 156
    • 123
    • 87
    • 123
    • 83
    • 102
    • 99
    • 89
    • 86
0
50
100
150
200
MB/sec, Higher Is Better
  • Average Write
  • Average Write (Post TRIM)

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