Review: OCZ Vertex 4 256 GB with Firmware 1.5


Published by Marc Büchel on 24.08.12
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Since OCZ launched their latest Vertex 4 SSDs several weeks have passed. Meanwhile they've released new firmware and according to them version 1.5 should be measurably faster. We're really curious if there really is a significant improvement.



Specifications / Delivery


Model OCZ Vertex 4 256 Gigabyte FW 1.4 OCZ Vertex 4 256 Gigabyte FW 1.5
Capacity 256 Gigabyte 256 Gigabyte
Memory Synchronous NAND Flash Synchronous NAND Flash
Technology Intel 29 F16B08JCME3 Intel 29 F16B08JCME3
Throughput up to 550 MB/s reading, up to 465 MB/s writing up to 85'000 IOPS writing up to 90'000 IOPS reading up to 560 MB/s reading, up to 510 MB/s writing up to 85'000 IOPS writing up to 90'000 IOPS reading
Accesstime (read) < 0.1 ms < 0.1 ms
Acoustics no noise no noise
Warranty 5 Years 5 Years


As you can see from the specs OCZ has been able to improve mainly the sequential write performance. In this case they promise that the Vertex 4 should now be capable of transferring 510 Megabytes per second. OCZ engineers have also been tweaking sequential read performane. Therefore they now promise up to 560 Megabytes per second.


Page 1 - Introduction / Specs / Delivery Page 7 - Sequential write ops
Page 2 - How do we test? Page 8 - Sequential read ops
Page 3 - Sequential write KByte/s Page 9 - Random write ops
Page 4 - Sequential read KByte/s Page 10 - Random read ops
Page 5 - Random write KByte/s Page 11 - Conclusion
Page 6 - Random read KByte/s  



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