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We review Transcend's latest SATA3 SSD, Ultimate series SSD740 256GB. It is powered by JMicron's JMF667H memory controller and SanDisk's 19 nm MLC NAND memory. We put it through some synthetic benchmarks, as well as real world usage tests. SSD740 supports SATA DevSleep power saving feature, TRIM commands and error correction (ECC). Transcend promises 4K random read/write speed of up to 283/267 MB/s.
Specifications
| Model | TS256GSSD740 |
| Controller | JMicron JMF667H |
| Memory |
SanDisk 19 nm Synchronous MLC NAND 16 x 128 Gb (SDTNQGBMB-016GP) |
| Cache | Samsung 256MB DDR3 1600 MHz (K4B2G1646E-BCK0) |
| Real capacity | 238.47 GB |
| Format | 2.5", 7 mm height |
| Max sequential read/write | 530/470 MB/s |
| Max 4K random read/write | 67880/65630 IOPS |
| TBW | 77 |
| Warranty | 3 years |
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