Is 870 QVO better than 870 EVO?

Last updated on 03 Jan 2022 📧 Subscribe

Is 870 QVO better than 870 EVO?

870 EVO even though it has nand3 instead of nand4 is more reliable SSD. They are still working/strugling with new chipset. Also TBW is better on EVO.

model 870 QVO 870 EVO 860 EVO
Capacity 1TB, 2TB, 4TB, 8TB 250GB, 1TB, 2TB, 4TB 250GB, 1TB, 2TB, 4TB
Storage Memory Samsung V-NAND 4-bit MLC (QLC) Samsung V-NAND 3-bit MLC (TLC) Samsung V-NAND 3-bit MLC (TLC)
Controller Samsung MKX Controller Samsung MJX Controller Samsung MJX Controller
DRAM (Cache) LPDDR4:
1GB (1GB)
2GB (2TB)
4GB (4TB)
8GB (8TB)		 LPDDR4:
512MB (250GB/500GB)
1GB (1TB)
2GB (2TB)
4GB (4TB)		 LPDDR4:
512MB (250GB/500GB)
1GB (1TB)
2GB (2TB)
4GB (4TB)
Sequential Read Up to 560 MB/s Up to 560 MB/s 550 MB/s
Sequential Write Up to 530 MB/s Up to 530 MB/s 520 MB/s
4KB Random Read Up to 98K IOPS Up to 98K IOPS Up to 10,000 IOPS
4KB Random Write Up to 88K IOPS Up to 88K IOPS Up to 42,000 IOPS
TurboWrite Cache 42GB (1TB)
78GB (2TB, 4TB, 8TB)		 Undisclosed amount
of SLC NAND Flash		 Undisclosed amount
of SLC NAND Flash
Endurance
(Total Bytes Written)		 360TBW (1TB)
720TBW (2TB)
1,440TBW (4TB)
2,880TBW (8TB)		 150TBW (250GB)
300TBW (500GB)
600TBW (1TB)
1,200TBW (2TB)
2,400TBW (4TB)		 150TBW (250GB)
300TBW (500GB)
600TBW (1TB)
1,200TBW (2TB)
2,400TBW (4TB)
Warranty 3-year 5-year 5-year


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