Hardware Spec Index

Caldera SN-5621 Prime 8TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN5621-PRIME · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index14,393 (SSDs scale)
Category rank#27,615
Street price$519
Power6 W (active)
Performance per dollar27.73
Released2021

Specifications

BrandCaldera
ModelCaldera SN-5621 Prime
Capacity8 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,100 MB/s
Sequential write5,500 MB/s
Random 4K read1,340K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 8 GB
Endurance4,800 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
Strivon SN-9363 Plus 1TB PCIe 3.0 NVMe M.2 2280 SSD8,552$189Compare
Novexa SN-6057 Ti 2TB PCIe 4.0 NVMe M.2 2280 SSD9,585$279Compare
Novexa SN-2963 Ultra 8TB PCIe 4.0 NVMe M.2 2280 SSD13,546$489Compare
Mirenta SN-8283 Prime 8TB PCIe 4.0 NVMe M.2 2280 SSD11,601$439Compare
Novexa SN-4381 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD7,435$139Compare
Caldera SN-8489 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD7,904$159Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-5621 Prime 8TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/1400699 (accessed 2026-10-24).