Sandisk Ultra 3D & WD Blue 3D 1TB SSD review

First 3D NAND-SSDs of Sandisk and WD tested

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Introduction

The step to 3D NAND did not go swimmingly for all manufacturers, but for Sandisk and parent company WD the time is finally ripe to use the third generation BiCS flash memory in products. We tested both Sandisk Ultra 3D as well as the WD Blue 3D and will tell you the differences between the two in this review, as well as whether or not you should purchase them. 


To immediately answer the first question: the most important difference between these two products is the sticker that is on them. The SSDs are identical in terms of hardware, are manufactured in the same factory and have the exact same specifications. For now WD, owner of Sandisk since 2015, is still releasing the SSD using both brand names, but it is obvious that this will change in time.

Sandisk Ultra 3D SSD 1TB Western Digital Blue 3D 1TB

The used controller is a Marvell 88SS1074, that we know from for example the Crucial MX300, Kingston SSDNow UV400 and the ‘old’ WD Blues with two dimensional memory. This four channel controller offers support for DevSlp, a very efficient power state, and 256-bit AES-encryption, among other things. That said, the latter is not implemented in either of these two SSDs.

On the PCB of the 1TB-model that we tested we find eight flash memory chips with Sandisk-imprints. This is 64-layer 3D NAND and is manufactured in one of the factories that Sandisk shares with Toshiba. To be precise: these are third generation BiCS – the first two generations were not or barely found in consumer products. The memory is controlled in TLC-mode and is supported by 1 GB DRAM-cache.

Sandisk Ultra 3D SSD 1TB

WD promises a lifespan of 400 TBW and offers a three year warranty. At the time of writing the Sandisk Ultra 3D 1TB has an average price of 304 pounds / 346 euros, while the WD Blue 3D 1TB is slightly cheaper at 283 pounds / 322 euros. The WD series is the only one that is also available in M.2-format; the Sandisks can only be purchased as 2.5”- drive with a SATA-connector.

Buy Sandisk Ultra 3D SSD 1TB

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Buy Western Digital Blue 3D 1TB

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£279.99 £279.99
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£279.99
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£279.99
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£280.97
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Compare

two products discussed in this review

  Product Lowest price

Sandisk Ultra 3D SSD 1TB

SSD, 1000 GB, Serial ATA 600, Marvell 88SS1074, 560 MB/s, 530 MB/s, 2.5 inch

Specifications Test results Reviews Prices

£299.99

Avg. £302.16
5 shops, 4x stock

Western Digital Blue 3D 1TB

SSD, 1000 GB, Serial ATA 600, Marvell 88SS1074, 560 MB/s, 530 MB/s, 2.5 inch

Specifications Test results Reviews Prices

£279.99

Avg. £293.92
6 shops, 4x stock

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