Hardware Spec Index

Caldera SN-4738 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4738-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index6,967 (SSDs scale)
Category rank#42,248
Street price$119
Power8 W (active)
Performance per dollar58.55
Released2021

Specifications

BrandCaldera
ModelCaldera SN-4738 Ultra
Capacity2 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,100 MB/s
Sequential write4,800 MB/s
Random 4K read1,020K IOPS
NAND3D TLC, 238-layer
CacheDRAM-less (HMB)
Endurance1,200 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
Strivon SN-8130 XT 2TB PCIe 4.0 NVMe M.2 2230 SSD7,265$129Compare
Caldera SN-8094 XT 4TB PCIe 4.0 NVMe M.2 2280 SSD13,359$529Compare
Novexa SN-6862 Plus 500GB SATA 2.5-inch SSD3,470$39Compare
Strivon SN-7161 Prime 8TB PCIe 4.0 NVMe M.2 2280 SSD13,522$449Compare
Novexa SN-8903 Ultra 500GB SATA 2.5-inch SSD3,609$29Compare
Altrix SN-2725 XT 1TB PCIe 4.0 NVMe M.2 2280 SSD6,680$89Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-4738 Ultra 2TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2481964 (accessed 2026-10-20).