#Western Digital Black SN770

The WD_Black SN770 enters the NVMe Gen4 SSD market featuring an in-house SanDisk controller with capacities of up to 2TB. Product Specifications [table id=1844 /] Affordable DRAM-less PCIe Gen4 Adoption The WD_Black SN770 NVMe SSD is a DRAM-less drive that is meant for general use which includes gaming, heavy application use, and of course, fast OS boot-ups. With the trickle-down of features, the PCIe Gen4 adoption, and motherboard support in the mainstream, Western Digital ensures that this particular release is an affordable option to transition with, even on laptops! With this, it is quite a no-brainer that the WD_Black SN770 NVMe SSD should be on the list when upgrading to a PCIe 4.0. With the DRAM-less design of the WD_Black SN770 NVMe SSD, this NVMe resorts to host memory buffer which means that it primarily utilizes the device's RAM as the primary cache. In terms of performance, the WD_Black SN770 NVMe SSD 1TB promises a sequential read speed of up to 5,150 MB/s for the 1TB and 2TB models, while the write speeds are expected to reach up to 4,900MB/s for the higher variants giving about 40 and 60 percent more than its predecessor, the SN750SE model. Read more in our articles including "Why upgrade to the WD_Black SN770 NVMe SSD" and "Blackberry Storm: RIM sheds the keypad".