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Adata Premier SP550

Adata Premier SP550
alaScore 94

224 reviews

Feb, 2018

alaTest has collected and analyzed 224 reviews of Adata Premier SP550. The average rating for this product is 4.4/5, compared to an average rating of 4.5/5 for other Solid-state drive for all reviews.

We analyzed user and expert ratings, product age and more factors. Compared to other Solid-state drive the Adata Premier SP550 is awarded an overall alaScore™ of 94/100 = Excellent quality.

Review analysis

(Based on 224 reviews)

Expert Reviews  

User Reviews  


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Showing 1 - 88 of 207 Show Reviews: in English | in other languages (17)

Consumer review by: ( review summary for Adata Premier SP550


alaTest has collected and analyzed 78 user reviews of Adata Premier SP550 from The average user rating for this product is 4.7/5, compared to an average user rating of 4.5/5 for other Solid-state drive on

94% of the reviews on give this product a positive rating.

This summary is based on the products: ADATA USA Premier SP550 240GB 2.5" SATA III Solid State Drive ASP550SS3-240GM-CADATA USA Premier SP550 240GB 2.5" SATA III Solid State Drive ASP550SS3-240GM-C

Feb, 2018

Expert review by: AkG (

AData Premier SP550 240GB SSD Review


The SSD segment has seen a good amount of contraction over the last two years and that trend has continued as of late. With drive technology hitting

With the entry-level SSD market so full of excellent options like the OCZ Trion 100 and Crucial BX200, AData’s SP550 is faced with an

Dec, 2015

Expert review by: Billy Tallis (

The ADATA Premier SP550 SSD Review: A Second Look At Silicon Motion's SM2256 Controller


Silicon Motion's SM2246EN SSD controller was a highly successful solution for SSDs using MLC NAND flash. It offered a great combination of power efficiency, solid performance, and low cost. Last year we got an early look at the successor SM2256...

As for the SM2256 controller, it's clear that Silicon Motion is learning to deal with the challenges of managing TLC flash, and many of the remaining weaknesses exhibited by the SP550 can be blamed on the limitations of the flash rather than the...

Mar, 2016

Expert review by: Chris Ramseyer (

Adata SP550 SSD Review


Adata's SP550 is the first SSD to hit our lab with Silicon Motion's new SM2256 controller paired with SK Hynix NAND. But does it compete with Samsung's prolific 850 EVO?

Cheap! The 240GB model is the sweet spot for the SP550 series but all of the drives break new ground for retail SSDs

Sustained write performance is a problem with most TLC drives and the SP550 just can't shake the TLC blues

When cost is more important than sustained performance the ADATA SP550 is a solid option in 120GB and 240GB capacity sizes. The 480GB model is still very low cost but its price is too close to the Samsung 850 EVO that is a better drive overall and has...

Nov, 2015

Expert review by: Jon Coulter (

ADATA SP550 SATA III (120GB, 240GB & 480GB) SSD Review


ADATA's SP550 gives us our first look at Hynix 16nm TLC toggle flash. Powered by SMI's 2256 and an SLC cache layer, does this new SSD deliver the goods?

Nov, 2015

Expert review by: Ben Mansill (

One Minute Review: Adata SP550 SSD


This affordable SSD pairs a SMI 2256 controller with Toggle TLC flash, which is the good stuff. We tested the 240GB model, which after formatting yielded 223GB of useable space.

"If you catch one of these at a bargain price - and in most shops we've seen these are very well priced - then our recommendation is to snap one up."

Nov, 2015

Expert review by: Josh Norem (

ADATA Premier SP550 (240GB) Review and Ratings


ADATA did a fine job on its first TLC-based SSD, even if it's not enough to take the crown from Samsung's mighty SSD 850 EVO.

Fast write performance for a TLC drive ; Aggressive pricing

Shorter warranty than Samsung’s SSD 850 EVO ; Subpar performance in a few tests

Overall, though time will tell if anything emerges from its reliance on TLC NAND, it seems as though ADATA has done a fine job with its first TLC-based SSD. The competition in this market is about to heat up in a big way, though, as ADATA is not alone...

Sep, 2015

Consumer review by: Robin (

ADATA Premier SP550 (240GB)


Transformed performance Best upgrade I have ever bought

Jan, 2017

Consumer review by: Ion (

ADATA Premier SP550 (240GB)


Fast data access, cheap in comparison to other ssd's, 3 years warranty


Dec, 2016

Consumer review by: Andrew (

ADATA Premier SP550 (240GB)


Easy to replace existing disk in laptop. Makes Windows 10 Pro very fast. (Didn't use the Acronis software)

Nov, 2016

Consumer review by: Dave (

ADATA Premier SP550 (120GB)


Good speed for most computers no need to spend more for marginal speed increase. Free software to manage SSD. Bought two, installed in two ageing laptops, no problems.

Nov, 2016

Product Specifications


Certification:CE, FCC, BSMI
Colour of product:Black
Internal: Yes
Protection features:Shock Resistant
RoHS compliance: Yes
SSD form factor:2.5" / M.2

Operational conditions

Operating temperature (T-T):0 - 70
Storage temperature (T-T):-40 - 85

Other features



Controller Type:SMi
Data Transfer Rate:6
ECC: Yes
Mean time between failures (MTBF):1500000
Memory Type:TLC
RAID support: Yes
Random read (4KB):60000 / 75000 / 80000
Random write (4KB):35000 / 70000 / 75000
Read speed:520 / 530 / 560
Solid-state drive capacity:120 / 240 / 480 / 960
Solid-state drive interface:Serial ATA III
TBW rating:180 / 90
Write speed:400 / 410 / 480 / 490 / 510

Technical Details

Operating temperature (T-T):0 - 70
Storage temperature (T-T):-40 - 85

Weight & Dimensions

Depth:10 / 8 / 80
Height :3.5 / 7
Weight:68 / 8
Width:2.2 / 22 / 6.99