S. M. A. R. Form Factor (Short) (metric). 4 GB Low Power DDR4 SDRAM Cache, Device Sleep support, Garbage Collection technology, Samsung V-NAND TLC Technology, TRIM support. PCI Express 4.0 x4 (NVMe). Max 4KB Random Read. Max Internal Data Transfer Rate. Max Write Transfer Rate. Maximum 4KB Random Write. NAND Flash Memory Type. 55 mW (idle), 6.5 Watt (average), 8.6 Watt (maximum). Hard Drive Form Factor. Hard Drive Form Factor (metric). 1,500,000 Hours. 0.5 ms half-sine.