Western Digital brings together the gamer versions of its products under the WD_Black label. The absence of a DRAM module is unusual, as this was previously considered a must in this device category. There is a lot of empty space on the circuit board, WDC packs 2 TByte of TLC flash memory into a single flash chip...

The WD Black SN7100 is the fastest PCIe 4.0 SSD with Host Memory Buffer (HMB) that we have tested to date. With the HMB design, the SSD uses part of the RAM as buffer memory. The price for the performance offered is fair.