Friday, October 7, 2011

AnandTech - OCZ Z-Drive R4 CM88 (1.6TB PCIe SSD) Review

AnandTech - OCZ Z-Drive R4 CM88 (1.6TB PCIe SSD) Review
We introduced the Z-Drive R4 in our Computex coverage earlier this year - it's a beast. The Z-Drive R4 is a multi-controller PCIe solution that uses either 4 or 8 SF-2000 controllers behind a SAS-to-PCIe 2.0 x8 controller. The breakdown is as follows:

OCZ Z-Drive R4 Lineup
CM84CM88RM84RM88
Capacities300/600/1200GB800/1600/3200GB300/600/1200GB800/1600/3200GB
NANDMLCMLCMLCMLC
InterfacePCIe Gen 2 x8PCIe Gen 2 x8PCIe Gen 2 x8PCIe Gen 2 x8
Form FactorHalf Height PCIeFull Height PCIeHalf Height PCIeFull Height PCIe
Dimensions LxWxH168.55 x 68.91 x 17.14 mm242 x 98.4 x 17.14mm168.55 x 68.91 x 17.14 mm242 x 98.4 x 17.14mm
SSD Controllers4 x SF-22828 x SF-22824 x SF-25828 x SF-2582
Power Failure ProtectionNNYY
Max Read2000MB/s2800MB/s2000MB/s2800MB/s
Max Write2000MB/s2800MB/s2000MB/s2800MB/s
Max Random Read250K IOPS410K IOPS250K IOPS410K IOPS
Max Random Write160K IOPS275K IOPS160K IOPS275K IOPS


בחישוב מהיר, יוצא שכרטיס אחד כזה יהיה מסוגל להריץ 4-5 סטרימים של 4K בלי בעייה. 
בשביל ~10,000 (6-7 דולר לג'יגה) דולר זה עדיין לא פתרון לכל כיס, אבל צפוי שהמחיר ירד משמעותית בעתיד הקרוב.

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