The 1TB SanDisk Ultra 3D SSD (SDSSDH3-1T00) Review

The 1TB SanDisk Ultra 3D SSD ATTO Disk Benchmark Results, Verdict & Award

ATTO Disk Benchmark

ATTO Disk Benchmark is a free benchmark that allows you to compare the performance of solid state drives using a variety of transfer sizes. It also allows us to determine if the SSD performs data compression to improve performance, and extend lifespan.

 

I/O Comparison

Results Compressible Data Non-Compressible Data
Minimum Maximum Minimum Maximum
Read Speed 11.6 MB/s 426.1 MB/s 11.6 MB/s 427.1 MB/s
Write Speed 7.6 MB/s 526.3 MB/s 7.6 MB/s 525.1 MB/s

The Marvell 88SS1074 controller does not perform any data compression, which is why the performance results are the same for both compressible and non-compressible data. The 1TB SanDisk Ultra 3D SSD (Price Check) reached its peak transfer rate with a block size of 1 MB.

 

Multiple I/O Comparison

Results Compressible Data Non-Compressible Data
Minimum Maximum Minimum Maximum
Read Speed 25.8 MB/s 559 2 MB/s 26.7 MB/s 580.5 MB/s
Write Speed 16.2 MB/s 538.1 MB/s 16.1 MB/s 538.1 MB/s

With just 8 simultaneous transactions, the 1TB SanDisk Ultra 3D SSD (Price Check) reached its peak transfer rate with a block size of 128 KB.

 

Our Verdict & Award

The first 1 terabyte solid state drive we tested was the 1TB WD Blue (WDS100T1B0A) SSD. While it had a large storage capacity, high endurance and a affordable price point, it was not particularly fast.

That changed with the introduction of the 64-layer 3D NAND technology, which not only increases storage capacity and performance, but also reduces cost and power consumption. Now we can have our cake and eat it too.

The 1TB SanDisk Ultra 3D SSD (Price Check) is the first SanDisk solid state drive to make use of the 64-layer 3D NAND technology and it sure impressed us with its performance.

Despite using the same SSD controller as the 1TB WD Blue, the 1TB SanDisk Ultra 3D SSD (Price Check) was twice as fast in large reads and writes. It accomplished this without using any SDRAM cache, thanks to nCache 2.0 technology.

The 1TB SanDisk Ultra 3D SSD (Price Check) will work well as a boot drive, thanks to its excellent small random performance. It will be particularly attractive as an upgrade option for laptops still running on hard disk drives, or smaller SSDs.

Just note that its high performance requires a significant amount of CPU performance. So make sure you pair it with a decent processor.

We like its combination of great performance, large storage capacity and lower cost so much, we think it deserves our Editor’s Choice Award. Great work, SanDisk!

Tech ARP Editor's Choice Award

 

SanDisk Ultra 3D SSD Price Check

The SanDisk Ultra 3D SSDs are available in storage capacities from 250 GB to 2 TB in the 2.5-inch / 7mm cased drive form factor.

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