Hardware Spec Index

Caldera SN-4221 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4221-PRO · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index13,140 (SSDs scale)
Category rank#44,344
Street price$509
Power9 W (active)
Performance per dollar25.82
Released2024

Specifications

BrandCaldera
ModelCaldera SN-4221 Pro
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read14,800 MB/s
Sequential write13,200 MB/s
Random 4K read1,730K IOPS
NAND3D TLC, 232-layer
CacheLPDDR4 DRAM, 4 GB
Endurance2,400 TBW (0.33 DWPD)
Warranty5 years
HeatsinkIncluded (recommended for sustained loads)

Related guides

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

Similar SSDs

ModelBenchmarkPriceCompare
Novexa SN-9653 Ultra 2TB PCIe 3.0 NVMe M.2 2280 SSD10,386$269Compare
Novexa SN-4365 Ti 1TB SATA 2.5-inch SSD4,129$49Compare
Mirenta SN-9048 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD4,414$59Compare
Altrix SN-3863 SE 8TB PCIe 5.0 NVMe M.2 2280 SSD14,725$559Compare
Novexa SN-6603 Pro 8TB PCIe 5.0 NVMe M.2 2280 SSD13,534$549Compare
Strivon SN-9073 Plus 2TB PCIe 4.0 NVMe M.2 2230 SSD8,035$169Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-4221 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2631958 (accessed 2026-10-19).