Hardware Spec Index

Caldera SN-8851 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN8851-XT · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index9,611 (SSDs scale)
Category rank#9,314
Street price$269
Power5 W (active)
Performance per dollar35.73
Released2021

Specifications

BrandCaldera
ModelCaldera SN-8851 XT
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,200 MB/s
Sequential write5,500 MB/s
Random 4K read1,240K IOPS
NAND3D TLC, 232-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkNone

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
Altrix SN-7093 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD6,878$119Compare
Strivon SN-3683 SE 8TB PCIe 4.0 NVMe M.2 2280 SSD12,477$479Compare
Caldera SN-4300 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD11,058$289Compare
Strivon SN-3508 Max 4TB PCIe 5.0 NVMe M.2 2280 SSD14,087$579Compare
Novexa SN-3183 Prime 1TB PCIe 4.0 NVMe M.2 2230 SSD5,723$69Compare
Caldera SN-4495 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD4,718$59Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-8851 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/3124409 (accessed 2026-10-19).