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As are the SSD (pronounced "micro-SSD") drives from SanDisk, OWC's Electra 6G has a SATA III interface that's rated at 6Gbps.
To test the drive's actual throughput, we connected it to the SATA bus of an ASRock A75 Pro4 motherboard with AMD's high-end A8-3850 APU, which incorporates four x86 cores running at 2.9 GHz, 400 Radeon cores at 600 MHz, five SIMD units, 20 texture units and 42 additional processors. We ran Iometer on 64-bit Windows 7 Ultimate N with 4GB of 1333 MHz DDR3 memory.
Throughput was impressive, though nowhere close to the theoretical maximum.
Testers observed a maximum transfer rate of 310 MBps and a transaction rate of 9960 IOPS. This was accomplished with 32K byte sequential reads and the outstanding IOs per target set to eight and was sustained over a two hour period.
When file size was reduced to 4K bytes, transfer rate dropped to 89 MBps while transaction rate rose to 22,800 IOPS. Using Iometer and our standard optimization methodology, which gradually increases the number of pending IOs per target until performance falls off, we observed the best performance IOs per target set to eight.
OWC's Mercury Electra 6G 240-GB SSD lists for $449, and would be a good choice for boosting performance of a laptop, or as replacement for portable machines doing media production or running other I/O intensive applications.
It's also available in 120-GB ($203) and 480-GB ($897) capacities. For its outstanding sustained read/write performance and reasonable prices, the Mercury Electra 6G is a recommended product.
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