Hardware Spec Index

Caldera SN-4746 Ultra 1TB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Caldera · SKU SN4746-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index10,029 (SSDs scale)
Category rank#10,513
Street price$229
Power6 W (active)
Performance per dollar43.79
Released2020

Specifications

BrandCaldera
ModelCaldera SN-4746 Ultra
Capacity1 TB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read6,500 MB/s
Sequential write4,900 MB/s
Random 4K read950K IOPS
NAND3D TLC, 176-layer
CacheDDR4 DRAM, 1 GB
Endurance600 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

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Cite this page: Hardware Spec Index, “Caldera SN-4746 Ultra 1TB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/7180765 (accessed 2026-10-20).