Hardware Spec Index

Caldera SN-4684 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD

SSDs · Caldera · SKU SN4684-ULTRA · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index10,599 (SSDs scale)
Category rank#26,875
Street price$249
Power8 W (active)
Performance per dollar42.57
Released2025

Specifications

BrandCaldera
ModelCaldera SN-4684 Ultra
Capacity4 TB
Form factorM.2 2280
InterfacePCIe 4.0 x4, NVMe 2.0
Sequential read7,100 MB/s
Sequential write6,200 MB/s
Random 4K read1,160K IOPS
NAND3D TLC, 218-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
Mirenta SN-7622 Edge 2TB PCIe 5.0 NVMe M.2 2280 SSD10,715$349Compare
Novexa SN-6983 Edge 2TB PCIe 4.0 NVMe M.2 2280 SSD8,951$189Compare
Caldera SN-8923 Ultra 1TB PCIe 3.0 NVMe M.2 2280 SSD9,339$199Compare
Novexa SN-5976 Prime 500GB SATA 2.5-inch SSD4,209$49Compare
Mirenta SN-1479 Plus 2TB PCIe 4.0 NVMe M.2 2280 SSD9,276$269Compare
Caldera SN-7233 Core 2TB PCIe 4.0 NVMe M.2 2280 SSD7,292$109Compare

All SSDs · JSON

Cite this page: Hardware Spec Index, “Caldera SN-4684 Ultra 4TB PCIe 4.0 NVMe M.2 2280 SSD”, https://vextor7.com/item/8053113 (accessed 2026-10-24).