Hardware Spec Index

Caldera SN-8221 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN8221-PRO · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index13,526 (SSDs scale)
Category rank#14,357
Street price$479
Power8 W (active)
Performance per dollar28.24
Released2022

Specifications

BrandCaldera
ModelCaldera SN-8221 Pro
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,500 MB/s
Sequential write5,100 MB/s
Random 4K read1,250K IOPS
NAND3D TLC, 176-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-7085 Prime 2TB PCIe 4.0 NVMe M.2 2280 SSD10,683$319Compare
Altrix SN-3544 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD8,794$169Compare
Altrix SN-5102 Core 4TB PCIe 4.0 NVMe M.2 2280 SSD14,114$549Compare
Mirenta SN-9115 Core 1TB PCIe 4.0 NVMe M.2 2280 SSD6,678$119Compare
Altrix SN-3128 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD6,739$129Compare
Caldera SN-2664 Ti 8TB PCIe 5.0 NVMe M.2 2280 SSD13,519$509Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-8221 Pro 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/454245 (accessed 2026-10-20).