WD Blue SSD 3D NAND M.2 WDS500G2B0B 500 GB
 | £48.99 Buy!  Western Digital WD Blue™ SATA - 500GB - WDS500G2B0B-00YS70 WDS500G2B0B-00YShop.Sandisk.comDelivery: in United Kingdom Report |
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Internal 500 GB SSD for connection to an M.2 port with SATA 3 interface. Designed as a frameless M.2 2280 device. -PC and HTPC systems. The hardware basis of this model is a powerful 4-channel Marvell 88SS1074 controller (with 256 MB LDDR3-1866 DRAM buffer), which works in conjunction with a 64-layer 3D TLC NAND BiCS3 flash memory from SanDisk. The WD Blue SSD 3D NAND M.2 WDS500G2B0B supports SMART monitoring, NCQ technology, correctly processes the TRIM command, and provides high-speed SLC write caching with a buffer size of up to 8 GB.
Such characteristics are quite enough for the vast majority of scenarios for domestic and professional use. High read/write speed of 560/530 Mbps guarantees impressively fast loading of the operating system, browsers (including those with many dozens of open windows), resource-intensive applications and games. The manufacturer declares an impressive recording resource of 200 TB, which allows you to record about 50 GB of data daily for 10 years, which is more than enough for home and office systems.
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The WD Blue SSD 3D M.2 is one of the fastest M.2-SATA SSDs available. It is doubly pleasant that the manufacturer gives it away at a typical price for this class of devices, without requiring additional payment for speed. There is also a twin brother of this drive in the classic 2.5-inch form factor — WD Blue SSD 3D.
Three elements
Blue SSD 3D M.2 consists, as any SSD should, of three essential elements: a smart controller, RAM cache and flash memory chips. The controller is Marvell 88SS1074 with two ARM Dragonite v5 cores. It is also installed in many other popular SSDs, thanks to which it boasts well-established software firmware.
Temporary memory
The amount of buffer memory in the 500-gig version of the Blue SSD 3D M.2 is 512 MB (chip manufacturer — Micron). Flash memory is used 64-layer 3D TLC BiCS3 manufactured by SanDisk. Recall that a few years ago, WD bought out SanDisk to supplement its portfolio of hard drives with solid state drives. And it is flash memory that is the most interesting element of the Blue SSD 3D M.2.
Persistent memory
On the one hand, TLC memory traditionally slows down the sequential write speed on large files. The volume of the virtual SLC array is 4 GB for every 250 GB of disk space, that is, a 500 GB SSD has a cache of 8 GB. On the other hand, the speed drops from the starting 530 to only 400 MB / s, while other SSDs drop to 200 or even 100 MB / s. Simply put, the WD Blue SSD 3D M.2 uses the best hand-selected flash memory chips that are more typical of high-speed NVMe SSDs like the recently announced WD Blue SN500 or the flagship WD Black SN750.
WD Blue SSD 3D NAND M.2 WDS500G2B0B configurations
| Price for WD Blue SSD 3D NAND M.2 WDS500G2B0B | ||||
|---|---|---|---|---|
| WD Blue SSD 3D NAND M.2 WDS250G2B0B 250 GB | from £42.99 | 4 offers | |
| WD Blue SSD 3D NAND M.2 WDS500G2B0B 500 GB | from £48.99 | 1 offer | |
| WD Blue SSD 3D NAND M.2 WDS200T2B0B 2 TB | from £135.94 | 2 offers | |
