Hardware Spec Index

Caldera SN-6853 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6853-XT · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index14,229 (SSDs scale)
Category rank#22,947
Street price$499
Power7 W (active)
Performance per dollar28.52
Released2021

Specifications

BrandCaldera
ModelCaldera SN-6853 XT
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,600 MB/s
Sequential write5,300 MB/s
Random 4K read970K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkHeatsink edition available

Related guides

NVMe SSDs ExplainedM.2 SSD Sizes and KeysSSD Endurance ExplainedDRAM vs DRAM-less SSDsPCIe 4.0 vs PCIe 5.0

Similar SSDs

ModelBenchmarkPriceCompare
Novexa SN-9367 Max 2TB PCIe 4.0 NVMe M.2 2230 SSD10,745$309Compare
Mirenta SN-3557 Core 8TB PCIe 5.0 NVMe M.2 2280 SSD14,900$599Compare
Altrix SN-8341 Plus 1TB PCIe 4.0 NVMe M.2 2230 SSD5,449$79Compare
Mirenta SN-6040 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD14,229$539Compare
Caldera SN-7406 SE 500GB SATA 2.5-inch SSD3,995$39Compare
Mirenta SN-1164 SE 1TB PCIe 4.0 NVMe M.2 2280 SSD8,874$229Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6853 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/169786 (accessed 2026-10-18).