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Intel 760P SSD review: This affordable NVMe delivers on read speed, falters on writes

Intel is marketing its 760P NVMe SSD and cohort as “NVMe speed for not much more than the cost of SATA,” a slower and more affordable interface. That speed is exactly what you get the vast majority of the time. But on occasions when you copy more data than the drive’s caching system can hold, you also get sustained write speed that’s only a little faster than…SATA. Sorry, Intel brought it up.

The slowdown in sustained write speed, such as when you copy a Blu-ray movie rip or large game to the drive, won’t often affect you. Even when it does, the 760P’s write rate is hardly slow, and it still features the stellar read access times and queued I/O that makes NVMe so scintillating. But there’s a competitor that’s almost as affordable and doesn’t slow down quite as much—Plextor’s new M9Pe. We’ll be comparing the two in the performance section.

Design, specs, and pricing

The 512GB 760P we review here is a 2280 (22mm across, 80mm long) M.2/PCIe drive that ships without a fancy heat sink or logo, though there’s more lettering than shown in the censored image shown below. the 760P uses Silicon Motion’s SM2262 controller and Intel’s own 3D 64-layered, TLC (3-bit) NAND.

intel ssd 760p angle Intel

The 760P, with all the lettering on the chips deliberately obscured. 

Intel calls out the fact that it uses floating gate (FG) NAND technology, while the competition such as Samsung with its TCAT uses replacement gate (RG). FG, says Intel, allows for greater cell density and more efficiency all around. NAND and its various implementations is an extremely complex subject, and you can find other opinions on the relative merits. We’ll leave it at that.

The company also calls out the 760P’s low power consumption of 50 milliwatts (mW) while operational. When we see this spec quoted by other companies, it’s almost always significantly higher. For example, OCZ’s RD400 claims 6 full watts operational, though its idle figure of 6mW is lower than the 760P’s 25mW. Depending on your usage, and the accuracy of those numbers, the 760P could either save you, or cost you battery life. 

The 760P carries a 5-year warranty and is rated for 72TBW (TeraBytes Written—the amount of data you can write to the drive) per 128GB of capacity, which is about par for the course. Though 1TB and 2TB versions of the 760P should be available later in the year, for now you’ll have to make do with the $199 512GB version we tested, a $109 256GB version, and unusually in this day and age, a 128GB version for only $74.


The 512GB 760P turned in an excellent, almost chart-topping read performance in the artificial benchmarks, though it was more mundane in our copy tests. But the write performance was very disappointing. After running out of cache, the 760P’s write speed in our real-world copy tests dropped almost to SATA levels—about 575MBps. Intel’s reviewer’s guide mentioned NVMe power at a SATA price. It didn’t mention SATA-like sustained writes.

ssd 7 slowdown IDG

As you can see, when the Intel 760P runs out of cache (at around 6GB on our 512GB test unit), write speed drops to less than half that when cache is in use, around 575MBps in this case.

That said, sustained writes of the size we perform, 20GB, are relatively rare operations. The 760P’s performance delivers that overall kick in the pants you expect day to day, however, it’s by far the slowest-writing NVMe drive with large amounts of data we’ve ever tested.

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