Hardware Spec Index

Caldera SN-6591 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6591-PRO · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index11,718 (SSDs scale)
Category rank#40,093
Street price$449
Power8 W (active)
Performance per dollar26.10
Released2026

Specifications

BrandCaldera
ModelCaldera SN-6591 Pro
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 5.0 x4, NVMe 2.0
Sequential read11,300 MB/s
Sequential write10,500 MB/s
Random 4K read2,120K IOPS
NAND3D TLC, 218-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
Altrix SN-2032 Max 8TB PCIe 3.0 NVMe M.2 2280 SSD13,131$569Compare
Mirenta SN-2806 Prime 2TB PCIe 3.0 NVMe M.2 2280 SSD9,171$219Compare
Mirenta SN-6222 SE 1TB SATA 2.5-inch SSD4,361$49Compare
Caldera SN-7717 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD9,975$269Compare
Caldera SN-2055 XT 2TB PCIe 4.0 NVMe M.2 2280 SSD10,159$269Compare
Mirenta SN-3801 Pro 1TB PCIe 4.0 NVMe M.2 2280 SSD5,802$69Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6591 Pro 4TB PCIe 5.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/10000516 (accessed 2026-10-19).