Hardware Spec Index

Caldera SN-4605 Ultra 500GB PCIe 4.0 NVMe M.2 2230 SSD

SSDs · Caldera · SKU SN4605-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index5,021 (SSDs scale)
Category rank#44,396
Street price$59
Power6 W (active)
Performance per dollar85.10
Released2020

Specifications

BrandCaldera
ModelCaldera SN-4605 Ultra
Capacity500 GB
Form factorM.2 2230
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read5,800 MB/s
Sequential write3,900 MB/s
Random 4K read960K IOPS
NAND3D QLC, 176-layer
CacheDRAM-less (HMB)
Endurance180 TBW (0.33 DWPD)
Warranty3 years
HeatsinkNone

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-4605 Ultra 500GB PCIe 4.0 NVMe M.2 2230 SSD”, https://vextor7.com/item/33330600 (accessed 2026-10-20).