Hardware Spec Index

Caldera SN-4689 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4689-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index8,309 (SSDs scale)
Category rank#13,665
Street price$209
Power8 W (active)
Performance per dollar39.76
Released2025

Specifications

BrandCaldera
ModelCaldera SN-4689 Ultra
Capacity1 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read4,900 MB/s
Sequential write4,200 MB/s
Random 4K read1,240K IOPS
NAND3D TLC, 218-layer
CacheDDR4 DRAM, 1 GB
Endurance600 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
Mirenta SN-6192 Ti 1TB PCIe 4.0 NVMe M.2 2280 SSD8,887$179Compare
Novexa SN-5647 XT 1TB SATA 2.5-inch SSD3,849$39Compare
Altrix SN-7728 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD14,090$499Compare
Caldera SN-6009 Max 1TB PCIe 4.0 NVMe M.2 2280 SSD4,784$59Compare
Novexa SN-4821 Plus 4TB PCIe 4.0 NVMe M.2 2280 SSD11,089$289Compare
Altrix SN-6433 Max 2TB PCIe 4.0 NVMe M.2 2280 SSD8,174$189Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-4689 Ultra 1TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/2933469 (accessed 2026-10-23).