Hardware Spec Index

Caldera SN-6603 XT 4TB PCIe 3.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN6603-XT · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index13,770 (SSDs scale)
Category rank#8,689
Street price$559
Power4 W (active)
Performance per dollar24.63
Released2019

Specifications

BrandCaldera
ModelCaldera SN-6603 XT
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 3.0 x4, NVMe 1.4
Sequential read3,100 MB/s
Sequential write2,300 MB/s
Random 4K read350K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 4 GB
Endurance2,400 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
Novexa SN-2185 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD6,560$109Compare
Mirenta SN-7756 Max 4TB PCIe 4.0 NVMe M.2 2280 SSD13,694$429Compare
Novexa SN-3358 Ti 500GB PCIe 4.0 NVMe M.2 2280 SSD6,019$79Compare
Altrix SN-6649 Ti 8TB PCIe 4.0 NVMe M.2 2280 SSD14,339$499Compare
Mirenta SN-2412 Plus 2TB PCIe 4.0 NVMe M.2 2230 SSD11,573$389Compare
Strivon SN-1091 Max 1TB SATA 2.5-inch SSD4,288$39Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-6603 XT 4TB PCIe 3.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/41498064 (accessed 2026-10-25).