Crucial V4 

Released May, 2012
  • 256 GB
  • 2.5" SATA II
5.7 Out of 10

It's been awhile since we've had a SATA II (3Gbps) interfaced drive come across our desk as the SATA III (6Gbps) drives have been coming out fast and furious and there aren't as many of the SATA II drives being made.
by Legit Reviews (Aug, 2012)
While the prices for the faster 6Gbps drives were much more expensive than 3Gbps, Crucial�'s v4 would have made a lot of sense.
by Tech Radar (Sep, 2012)

SSDBoss Review Our evaluation of the Crucial V4

read performance

How quickly data is read from the drive

Crucial V4
5.3
840 EVO
6.6
4K Random Read, 4K Random Read Access Time and 512K Sequential Read

write performance

How quickly data is written to the drive

Crucial V4
5.1
840 EVO
6.9
4K Random Write, 4K Random Write Access Time and 512K Sequential Write

real world benchmarks

How well the drive performs common tasks

Crucial V4
7.1
840 EVO
7.9
Windows 7 Boot-up Time, Photoshop Lens Filter and AS SSD ISO Copy

Benchmarks

How well the drive performs on common benchmarks

Crucial V4
5.6
840 EVO
6.7
PCMark Vantage and AS SSD Score

5.7

SSDBoss Score

read performance, write performance, real world benchmarks and Benchmarks

Crucial V4
5.7
840 EVO
6.9

Benchmarks Real world tests of the Crucial V4

4K Random Read

Crucial V4
29.78 MB/s
840 EVO
318.8 MB/s
Samsung 840
303.68 MB/s

4K Random Write

Crucial V4
0.82 MB/s
840 EVO
106.65 MB/s
Vertex 3
102.22 MB/s

Windows 7 Boot-up Time

Crucial V4
16.4 s
SSDNow V300
8.3 s
Crucial M500
8.8 s

Avg. Power Consumption

Crucial V4
0.85 Watts
Vertex 3
2.98 Watts
MX100
2.31 Watts

4K Random Read Access Time

Crucial V4
304.92 ms
840 EVO
2.34 ms
Vertex 3
2.44 ms

4K Random Write Access Time

Crucial V4
8.39 ms
840 EVO
0.78 ms
Samsung 840
0.82 ms

Reviews Word on the street for the Crucial V4


5.0
This shows up in 4K AS SSD tests where the two Crucial SSDs are close in performance terms, unlike in the AS SSD sequential read performance, which shows the performance advantage of the 6Gbps interface rather well.

What People Are Saying Give it to me straight

Performance

That's actually pretty decent performance for a mainstream 3Gbps SSD drive, so things looked relatively promising at first.
by Tech Radar (Sep, 2012)
Install Results: It's no surprise that the Crucial V4 posts some of the slowest file copy times in our comparison being limited in bandwidth by the 3Gbps interface.
by Legit Reviews (Aug, 2012)
Benchmark Results: In terms of impact of data compression on performance, it doesn't play much of a factor as the lines on the graph, outside of the anomalies, are relatively flat across the compressibility scale.
by Legit Reviews (Aug, 2012)

Speed

Crucial lists the 256GB version of the V4 drive as hitting reads as fast as 230MB/s and writes up to 190MB/s..
by Legit Reviews (Aug, 2012)
Still, moving 5GB of data in just over a minute is still quick considering what you would see from a spinning platter drive.
by Legit Reviews (Aug, 2012)
The smaller capacity drives, 32GB, 64GB, and 128GB, offer a little less in overall performance, decreasing as capacity does since lesser dense NAND is a bit slower.
by Legit Reviews (Aug, 2012)

Interface

Legit Bottom Line: The Crucial V4 line is one of the few SATA II (3Gbps) drives released recently giving solid performance at a reasonable price that will appeal to thiose with older hardware not able to take advantage of the latest generation of SATA III (6Gbps) drives.
by Legit Reviews (Aug, 2012)
On the other hand, if there's a chance you may upgrade your motherboard/hardware in the near future, it may behoove you to go for a SATA 6Gbps drive now so you are set with a drive that will fully leverage the more modern SATA III supporting platform.
by Legit Reviews (Aug, 2012)
While every man and his dog is throwing SATA 6Gbps interfaced SSDs at us as if there's no tomorrow, where does that leave everyone that is still packing SATA 3Gbps systems?
by Tech Radar (Sep, 2012)

Price

Even Crucial has had to reduce the price of the 6Gbps m4 128GB to the point where it's only six quid more expensive than this drive.
by Tech Radar (Sep, 2012)
Right now you can buy SATA 6Gbps drives for almost the same price as the list price of the v4.
by Tech Radar (Sep, 2012)
This is the premise behind Crucial's latest v4 family of drives: build a 3Gbps SSD at a good price so people with 3Gbps systems don't have to buy expensive 6Gbps models with features and performance they can't tap into.
by Tech Radar (Sep, 2012)

Capacity

Obviously, this is best case performance scenarios but it gives a clear indication of what the drives are capable of although the lesser capacity versions will return lower results.
by Legit Reviews (Aug, 2012)
Again, Micron is the manufacturer of the cache which is 166MHz DDR SDRAM at 128MB in capacity.
by Legit Reviews (Aug, 2012)

Specifications Full list of technical specs

storage

Capacity 256 GB
Interface SATA II
Interface speed 3 Gbit/s
Controller Marvell
Memory type MLC
NAND process size 25 nm
Maximum shock force 1,500G

form factor

Form factor 2.5"
Mfg warranty 3 years
Thickness 10 mm
Weight 85 g

manufacturer performance

Sequential read 230 MB/s
Sequential write 190 MB/s
Random read 10,000 IOPS
Random write 4,000 IOPS
MTBF 1,200,000 hours
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