Hardware Spec Index

Caldera SN-4938 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4938-XT · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index12,967 (SSDs scale)
Category rank#31,999
Street price$439
Power7 W (active)
Performance per dollar29.54
Released2023

Specifications

BrandCaldera
ModelCaldera SN-4938 XT
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,800 MB/s
Sequential write5,300 MB/s
Random 4K read890K IOPS
NAND3D TLC, 238-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-6023 Core 500GB SATA 2.5-inch SSD3,442$29Compare
Altrix SN-7316 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD8,702$169Compare
Mirenta SN-3732 Prime 1TB PCIe 4.0 NVMe M.2 2280 SSD5,333$79Compare
Caldera SN-8731 XT 8TB PCIe 4.0 NVMe M.2 2280 SSD13,791$499Compare
Novexa SN-6585 Plus 1TB PCIe 4.0 NVMe M.2 2280 SSD6,440$119Compare
Altrix SN-5593 Plus 2TB PCIe 4.0 NVMe M.2 2230 SSD8,721$199Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-4938 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/4884952 (accessed 2026-10-20).