- WESTERN DIGITAL CAVIAR BLACK WD5003AZEX CRYSTAL DISKMARK PRO
- WESTERN DIGITAL CAVIAR BLACK WD5003AZEX CRYSTAL DISKMARK SOFTWARE
Testing the WD SN850: A New High Score for Program Loading (TBW tends to scale 1:1 with capacity, as with the SN850.) WD's warranty covers the drive for five years or until you hit the rated TBW figure in data writes, whichever comes first. The "terabytes written" spec is a manufacturer's estimate of how much data can be written to a drive before some cells begin to fail and get taken out of service. QLC-based drives like the Mushkin Delta and Sabrent Rocket Q4 are rated at just 200TBW for 1TB, 400TBW for 2TB, and 800TBW for 4TB. The Kingston KC3000 has slightly higher ratings of 800TBW for the 1TB version and 1,600TBW for the 2TB.Ī few PCIe 4.0 drives offer still higher durability ratings-the Corsair Force Series MP600 and Silicon Power US70 are rated at 1,800TBW for 1TB and 3,600TBW for 2TB.
WESTERN DIGITAL CAVIAR BLACK WD5003AZEX CRYSTAL DISKMARK PRO
The 1TB Samsung SSD 980 Pro is also rated at 600TBW. The Crucial P5 Plus matches its 600TBW rating for its 1TB model and 1,200TBW for the 2TB drive. The durability ratings for the WD Black SN850, as measured in terabytes written (TBW), are about average for a TLC-based drive. The TeamGroup T-Force Cardea Zero Z44Q sells for just 13 cents per gig (2TB), but as a drive with QLC-based memory it has low durability ratings, and its speeds are midrange. The abovementioned ADATA Gammix S70 Blade is the best bargain at 16 cents per gigabyte for both its 1TB and 2TB versions. The MSI Spatium M480 lists at 23 cents per gigabyte for 1TB and 22 cents for 2TB, while the ADATA Gammix S70 lists at 20 cents per gig in both 1TB and 2TB capacities. The SN850's list price is near the high end compared with other high-performance PCI Express 4 drives equipped with heatsinks (as opposed to thin heat spreaders). (Puzzled by the M.2 and PCIe jargon? Check out our guide to SSD terminology.) It uses the NVMe 1.4 protocol over the PCIe 4.0 bus, and features a homegrown WD G2 (a.k.a. It's manufactured on an M.2 Type-2280 (80mm long) "gumstick" printed circuit board. The SN850 is a four-lane PCI Express 4.0 drive employing 96-layer TLC 3D NAND flash memory.
But the WD Black SN850 is well worth considering if you want an elite drive for gaming or content creation A Zippy Drive for Desktop or PS5 The same is true of the ADATA XPG Gammix S70 Blade, which costs considerably less per gigabyte, so the Blade retains its Editors' Choice award. The SN850 comes fitted with a heatsink slim enough that the drive meets Sony's PlayStation 5 compatibility requirements. It turned in our highest score ever in PCMark 10's overall performance benchmark, and also matched its raw speed ratings in Crystal DiskMark testing. Western Digital's flagship high-performance internal solid-state drive, the WD Black SN850 (starts at $129.99 for 500GB $249.99 for 1TB with heatsink as tested), does not disappoint.
WESTERN DIGITAL CAVIAR BLACK WD5003AZEX CRYSTAL DISKMARK SOFTWARE
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