Hardware Spec Index

Caldera SN-4594 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4594-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index12,646 (SSDs scale)
Category rank#33,899
Street price$419
Power5 W (active)
Performance per dollar30.18
Released2020

Specifications

BrandCaldera
ModelCaldera SN-4594 Ultra
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,300 MB/s
Sequential write5,400 MB/s
Random 4K read890K 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
Mirenta SN-4262 XT 500GB SATA 2.5-inch SSD4,156$49Compare
Novexa SN-5590 Core 4TB PCIe 4.0 NVMe M.2 2280 SSD10,270$269Compare
Caldera SN-3887 Ti 1TB SATA 2.5-inch SSD4,269$49Compare
Mirenta SN-4871 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD5,221$59Compare
Novexa SN-5443 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD6,311$99Compare
Caldera SN-8435 Edge 1TB PCIe 4.0 NVMe M.2 2280 SSD9,304$209Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-4594 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/6772192 (accessed 2026-10-19).