Intel 520 

Released February, 2012
  • 240 GB
  • 2.5" SATA III
  • 0 MB
6.7 Out of 10

Intel is also happy to 'fess up to the fact that the peak IOPS speed relates to a completely box-fresh drive.
by Tech Radar (Feb, 2012)
When you consider that smaller drives fail faster in such conditions, well, it's pretty impressive.
by Tech Radar (Feb, 2012)

SSDBoss Review Our evaluation of the Intel 520

read performance

How quickly data is read from the drive

Intel 520
5.7
840 Pro
6.6
4K Random Read, 4K Random Read Access Time and 512K Sequential Read

write performance

How quickly data is written to the drive

Intel 520
6.6
840 Pro
7.0
4K Random Write, 4K Random Write Access Time and 512K Sequential Write

real world benchmarks

How well the drive performs common tasks

Intel 520
7.6
840 Pro
8.1
Windows 7 Boot-up Time, Photoshop Lens Filter and AS SSD ISO Copy

Benchmarks

How well the drive performs on common benchmarks

Intel 520
7.5
840 Pro
7.6
Passmark Disk Rating, PCMark Vantage, AS SSD Score and 1 more

6.7

SSDBoss Score

read performance, write performance, real world benchmarks and Benchmarks

Intel 520
6.7
840 Pro
7.1

Benchmarks Real world tests of the Intel 520

4K Random Read

Intel 520
88.59 MB/s
840 EVO
318.8 MB/s
840 Pro
311.34 MB/s

4K Random Write

Intel 520
81.39 MB/s
840 Pro
130.58 MB/s
SSDNow V300
33.3 MB/s

Windows 7 Boot-up Time

Intel 520
11.3 s
840 Pro
7.8 s
SSDNow V300
8.3 s

Avg. Power Consumption

Intel 520
2.66 Watts
Samsung 840
1.69 Watts
SSDNow V300
1.81 Watts

4K Random Read Access Time

Intel 520
3.08 ms
SSDNow V300
7.51 ms
840 Pro
1.91 ms

4K Random Write Access Time

Intel 520
2.82 ms
SSDNow V300
6.46 ms
840 EVO
0.78 ms

Reviews Word on the street for the Intel 520


8.0
But Intel’s strides with the 520 Series are admirable and the results excellent, so if (or when) price and performance balance out a little better in the marketplace this drive will be even more a winner than it already unquestionably is.

7.6
Intel says it's put a lot of work into tuning the SandForce SF-2281 controller to improve performance and reliability.

Overall

8.2 Out of 10

What People Are Saying Give it to me straight

Performance

What Intel hasn't done, however, is deliver a drive that immediately takes down the opposition in terms of raw performance.
by Tech Radar (Feb, 2012)
Thanks to the use of aggressive compression technology, impressive headline data transfer rates can sometimes translate into slightly pedestrian real-world performance.
by Tech Radar (Feb, 2012)
So Intel isn't making any showbiz claims for basic performance.
by Tech Radar (Feb, 2012)

Speed

Which means it's slower than both larger SandForce-based drives and the competition packing Marvell and Indilinx controllers.
by Tech Radar (Feb, 2012)
This used to be enough to make SSDs suffer slow downs.
by Tech Radar (Feb, 2012)
The problem is, for less than the price of this 480GB drive, you can grab a pair of 240GB SSDs, which are faster in isolation and offer the potential to blow everything else away when configured as a speedy RAID 0 volume, even if that means missing out on TRIM.
by Tech Radar (Jun, 2012)

Price

It's to take on Kingston's cheaper SSDNow V+200 480GB drive and beat smaller drives, including a pair of Intel's own 520 Series SSD 240GB, and perhaps a couple of Crucial M4s, or maybe some Samsung 830s.
by Tech Radar (Jun, 2012)
Consumers who have purchased a 520 Series drive prior to July 1, 2012 can contact Intel customer support (by October 1, 2012) to receive a full refund of the purchase price if they are unhappy with the encryption performance.
by Legit Reviews (Feb, 2012)
The 240GB Intel SSD 520 Series is a terrific-performing solid-state drive at a slightly less-than-terrific price.
by PCMag (Feb, 2012)

Interface

Sequential read and write speeds of 550MB/s and 520MB/s courtesy of a SATA 6Gbps interface is about as good as it gets for a single desktop SSD.
by Tech Radar (Feb, 2012)
In the bundle we found a 2.5" to 3.5" adapter tray with screws, a SATA III data cable, a SATA to Molex power cable, a mini disc with installation/warranty info, and the usual Intel Speed Demon SSD sticker.
by Legit Reviews (Feb, 2012)
Benchmark Results: The 520 Series nearly cleaned up with all but one of the best scores for a single SATA based drive; although the margin of victory was minor in every category.
by Legit Reviews (Feb, 2012)

Capacity

With 16 total on board and each being 16GB in density, we have a total raw capacity of 256GB.
by Legit Reviews (Feb, 2012)
The 520 Series contains 256GB of Intel’s 25nm synchronous NAND flash memory chips (16 chips of 16GB each, with the extra space devoted to wear leveling, garbage collection, and other reliability features).
by PCMag (Feb, 2012)
For most PC users, choosing a solid-state drive is a question of balancing cost against capacity and performance.
by Tech Radar (Jun, 2012)

Specifications Full list of technical specs

storage

Capacity 240 GB
Cache 0 MB
Interface SATA III
Interface speed 6 Gbit/s
Controller SandForce 2281
Memory type SLC
NAND process size 25 nm
Maximum shock force 1,500G

form factor

Form factor 2.5"
Mfg warranty 5 years
Thickness 10 mm
Weight 78 g

manufacturer performance

Sequential read 550 MB/s
Sequential write 520 MB/s
Random read 50,000 IOPS
Random write 80,000 IOPS
Power consumption (Idle) 0.6 Watts
Power consumption (Active) 0.85 Watts
MTBF 1,200,000 hours
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