Final Words

The Intel SSD 540s is their first entry level consumer SSD in quite a while, and our first look at Silicon Motion's new SM2258 controller. It's a little surprising to see Intel being an early adopter of a third-party SSD controller after their SandForce-based drives spent so much time going through Intel's QA, but the SM2258 is not a radical departure from Silicon Motion's earlier controllers, which have a pretty good track record for reliability.

Intel's use of the same 16nm SK Hynix TLC NAND as in the ADATA Premier SP550 allowed us to make a direct comparison of the SM2258 controller against the preceding SM2256, and the Crucial BX200 provides another point of comparison with Micron's 16nm TLC instead. The 540s is much better than the BX200 in every way, but that's not saying much. Against the SP550, the Intel 540s was not able to score a clear win. On most synthetic benchmarks the 540s improved performance over the SM2256 drives, mitigating their most glaring weaknesses and occasionally rising above the field of budget TLC drives in general. These improvements did not translate into a significant advantage over the SP550 on our real-world AnandTech Storage Bench tests. The ADATA SP550 is still faster overall for realistic workloads with bursts of I/O, even though it is slower under the sustained load of synthetic benchmarks.

The wide disparity in performance between the Crucial BX200 and ADATA SP550 showed just how much firmware tuning can affect drive performance. I think it's likely that later this year we'll see a more refined SM2258 drive, perhaps even on planar TLC before 3D NAND is cheap enough.

Budget SSD Retail Price Comparison
Capacity 120-128GB 240-256GB 480-512GB 960-1024GB
Intel SSD 540s 2.5" $51.95 (43¢/GB) $93.91 (39¢/GB) $149.99 (31¢/GB) $304.96 (30¢/GB)
Intel SSD 540s M.2 $49.95 (42¢/GB) $91.77 (38¢/GB) $155.65 (32¢/GB) $305.29 (31¢/GB)
ADATA SP550 $37.88 (32¢/GB) $57.99 (24¢/GB) $107.99 (22¢/GB) $205.99 (21¢/GB)
OCZ TR150 $37.99 (32¢/GB) $59.99 (25¢/GB) $99.95 (21¢/GB) $199.99 (21¢/GB)
SanDisk X400 $49.59 (39¢/GB) $80.19 (31¢/GB) $126.23 (25¢/GB) $237.99 (23¢/GB)

Against the wider field of competitors, the Intel 540s is clearly an entry-level SSD, intended for light workloads. It cannot keep pace with SanDisk's X400 or even the current generation of Phison S10-based drives like the Toshiba OCZ TR150 (formerly Trion 150). The ADATA SP550 has held on to a place in the market by usually being one of the cheapest drives available, but at the moment it is mostly tied with the TR150 on price, making the latter a better purchase given its better performance.

The current retail pricing of the Intel SSD 540s makes my recommendation quite simple: don't buy. The 180GB and 360GB models are only a few dollars cheaper than the next size up, and the four standard sized models are priced above many MLC drives. The OCZ TR150 provides better performance for a far lower price. The SanDisk X400 provides much better performance, the same 5-year warranty period of the 540s, and M.2 models for a significantly lower price. ADATA has also recently announced M.2 versions of the SP550, which will probably be only a little more expensive than the 2.5" drives, providing a very welcome cheap M.2 option.

ATTO, AS-SSD & Idle Power Consumption
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  • Flunk - Thursday, June 23, 2016 - link

    Looks like it's on Intel's low-end product map for well into 2017 (which is as far as that goes).
  • BurntMyBacon - Friday, June 24, 2016 - link

    I thought that Intel's low-end was the 300 series. Apparently not anymore:
    https://benchlife.info/mansion-brighton-stony-beac...

    Please post another link to a roadmap if you find one not plastered with a website logo.
  • JKJK - Thursday, June 23, 2016 - link

    520 and 530 stuck with us for forever, even still when they where performance wise surpassed by other manufacturers. And the price didn't budge either, so I suppose 540 will be with us for a while.
    However, I'm pretty disappointed with Intel on this one. Samsung 750 evo and even 850 evo is way cheaper here in Norway.
  • Impulses - Thursday, June 23, 2016 - link

    They're at price parity in the US right now, 'course the EVO is much better for the money...
  • Flunk - Thursday, June 23, 2016 - link

    That's a lot of money to pay for a low-end drive with a Silicon Motion controller. Performance like a Trion, price like an 850 Evo. Good work Intel.
  • BrokenCrayons - Thursday, June 23, 2016 - link

    In their defense, it's not a terrible performer relative to other planar TLC drives with the same controller. However, that doesn't excuse the much higher price MSRP. Were I in the market for a new drive, I wouldn't write off TLC, but I would write off the 540 right away based on the cost over its nearest competitors.
  • Guspaz - Thursday, June 23, 2016 - link

    So, it's an Intel SSD that doesn't use an Intel controller, doesn't use Intel flash, and provides terrible performance at a much higher prices than the competition.

    What were they thinking? I've always been a bit of an Intel SSD fanboy (the five standalone SSDs that I've bought over the years have all been Intel, all the way back to the G1), but they've clearly lost their way, and I don't think the next SSD that I buy would be an Intel.
  • hojnikb - Thursday, June 23, 2016 - link

    They probably want to bank on the clueless users, that have little idea of SSD performance but know Intel as a brand.
  • BurntMyBacon - Friday, June 24, 2016 - link

    @Guspaz: "So, it's an Intel SSD that doesn't use an Intel controller, doesn't use Intel flash, and provides terrible performance at a much higher prices than the competition."

    They did use Sandforce controllers for a while. Though their performance was pretty decent at the time. Firmware made the difference in reliability. Since they are still doing their own firmware and validation, I don't think the use of a third party controller or flash is an insurmountable problem. I do think that the product is not priced or named correctly. This should be a 300 series part with a 300 series price.

    Note: The relatively high price may be correlated with the fact that they have to acquire flash on the open market and not everything they get is necessarily meeting their validation requirements.
  • pwil - Wednesday, July 27, 2016 - link

    3 in 3xx series means 3y warranty.

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