OCZ Z-Drive R4 CM88 (1.6TB PCIe SSD) Review
by Anand Lal Shimpi on September 27, 2011 2:02 PM EST- Posted in
- Storage
- SSDs
- OCZ
- Z-Drive R4
- PCIe SSD
AnandTech Storage Bench 2011 - Light Workload
Our new light workload actually has more write operations than read operations. The split is as follows: 372,630 reads and 459,709 writes. The relatively close read/write ratio does better mimic a typical light workload (although even lighter workloads would be far more read centric).
The I/O breakdown is similar to the heavy workload at small IOs, however you'll notice that there are far fewer large IO transfers:
| AnandTech Storage Bench 2011 - Light Workload IO Breakdown | ||||
| IO Size | % of Total | |||
| 4KB | 27% | |||
| 16KB | 8% | |||
| 32KB | 6% | |||
| 64KB | 5% | |||
Despite the reduction in large IOs, over 60% of all operations are perfectly sequential. Average queue depth is a lighter 2.2029 IOs.
The performance advantage over the RevoDrive 3 X2 drops to around 29% in our lighter workload. The narrowing gap makes sense given the workload here. There's less to break up and distribute among all of the controllers and thus we see less of a speedup.
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squashmeister99 - Tuesday, September 27, 2011 - link
You teased us with your video reviews. Now we cant go back... :-)G-Man - Tuesday, September 27, 2011 - link
I miss the video reviews already :-)vol7ron - Tuesday, September 27, 2011 - link
hahaha. they are a good addition aren't they?Rasterman - Wednesday, September 28, 2011 - link
Comparing a single Vertex 3 240GB to a 1.6TB doesn't seem quite valid. Someone considering the R4 would be asking what is the performance difference between the R4 and 4 to 16 Vertex 3s in RAID 0. Especially considering the massive cost savings per GB using the Vertex 3s.MrBungle123 - Wednesday, September 28, 2011 - link
I'd like to see some RAID 5/6/10 arrays of 15K RPM SCSI drives in the benchmarks too.marraco - Wednesday, September 28, 2011 - link
No. I don't want video reviews, unless they have English subtitles.SilthDraeth - Wednesday, September 28, 2011 - link
I have trouble hearing and use subs for all my movies, yet Anand speaks quite clearly, and I have no trouble understanding him.Also, he posts the video review in conjunction with the written review, and not as a stand alone feature, so you really don't need it subtitled. So you would still get to enjoy the reviews as you always have.
Lonbjerg - Thursday, September 29, 2011 - link
You can write english but not understand it when it's spoken? *shakes head*connor4312 - Thursday, September 29, 2011 - link
I'm guessing you never learned a second language?arthur449 - Wednesday, September 28, 2011 - link
Not all information provided is specifically relevant to everyone's interests in a review of a product. Similarly, information provided in a video review follows a linear arbitrary organizational structure that cannot possibly align with everyone's preferred method of learning. Also, it's easier to skim / search / quote / share a text-based review.