TechSpot: SanDisk Aims High With Extreme II SSD, Reviewed

Compared to the rapid performance increases and price decreases of flash memory over the past few years, solid state drive advancements have slowed down considerably in 2013 as modern drives have plateaued at SATA III's 6Gb/s bus. Current flash products are already maxing out the existent SATA spec for sequential reads and writes, so it's expected the industry will eventually move to SATA Express for bandwidths of up to 2GB/s using PCIe 3.0.

The new SanDisk Extreme II features an in-house developed firmware which helps to set it apart from other SSDs using the same controller. Also of note, the second generation Extreme series has dumped the SandForce controller in favor of the new Marvell 88SS9187, the same controller used by the Crucial M500.

SanDisk is pricing the 240GB Extreme II competitively fetching around $230, right on target with the Vertex 450 and also in the neighborhood of the Samsung 840 Pro, which will remain a secondary focus throughout this review.

Read: SanDisk Extreme II SSD 240GB Review

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13 Comments

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Oh for sure, i couldn't agree more, I always use sleep, even let my updates build up a couple of days. I'm almost certain it takes more time for my screen to wake up than my pc

My Corsair force gt pushes 550-650MB/s sequential, copying a large file onto itself.. I guess it would average 200-300MB/s. Windows 8 loads in about 7sec, Mint 15 loads in what feels like 3sec! Geez it is faaast.

I really don't get this obsession with boot times.
If its so important, why not use sleep. Close to instant if you don't let the data fade away from the memory.

I built a new system last year using a couple of 840 pros. i7, 1800 RAM, Aus P87z deluxe MB and only see 150-200mbs between SSDs avg. Who's getting 500mb sec out there and what kind of system?

Hahaiah said,
I built a new system last year using a couple of 840 pros. i7, 1800 RAM, Aus P87z deluxe MB and only see 150-200mbs between SSDs avg. Who's getting 500mb sec out there and what kind of system?

That's super low. Are you sure you connected the SSDs to a SATA 3 port?

My Vertex 4 easily gets 500+

Samsung Magician performance benchmarks show much bigger numbers, but actual transfers are what I'm going by. 6GB Sata 3 ports on both.

'as modern drives have plateaued at SATA III's 6Gb/s bus'
This thing reads at a maximum of 550MBps, that's 4400Mbps, I wouldn't call 1600Mbps/200MBps off of top speed the plateau of SATA III.

SATA III can theoretically do 550MB/s and in real life it seems the limit is actually around 520MB/s, at the moment The PCI-E RevoDrive X2 can hit 676.5MB/s read, that's a 23% boost compared to the fastest SATA III SSD.

Why can it only do 550MB/s? Is that because of SATA overhead or what? Seems rediculous that 200MB/s is wasted