The LGA 1851 Platform is a Intel Core Ultra 200S desktop platform featuring Intel Core Ultra 200S (Arrow Lake), DDR5-5600 / DDR5-6400 CUDIMM / UDIMM memory, and flexible storage options. This guide covers RAM, SSD, and storage compatibility for all configurations.
LGA 1851 Platform System Specifications
| Specification | Detail |
|---|---|
| Processor | Intel Core Ultra 200S (Arrow Lake) |
| Chipset | Intel Z890 / B860 |
| RAM Type | DDR5-5600 / DDR5-6400 CUDIMM / UDIMM |
| RAM Slots | 2-4 DIMM slots (motherboard dependent) |
| Max RAM | 192 GB (4x 48GB DDR5) |
| Storage | M.2 NVMe PCIe 5.0 + SATA |
| Form Factor | Custom / DIY Desktop |
| Release Year | 2024-2025 |
RAM Compatibility & Upgrades
Memory Specifications
| Parameter | Value |
|---|---|
| Type | DDR5-5600 / DDR5-6400 CUDIMM / UDIMM |
| Voltage | 1.1V |
| Max Capacity | 192 GB (4x 48GB DDR5) |
Recommended RAM Upgrades
| Current | Upgrade To | Modules | Price | Amazon Link |
|---|---|---|---|---|
| 8 GB | 16 GB | 1x 8GB DDR5-5600 | £25-40 | View |
| 16 GB | 32 GB | 2x 8GB DDR5-5600 kit | £45-75 | View |
| 32 GB | 64 GB | 2x 32GB DDR5-5600 | £120-200 | View |
Storage Compatibility
M.2 NVMe Storage
LGA 1851 Platform supports 2-4 (motherboard dependent) M.2 NVMe slot for fast primary storage.
| Specification | Detail |
|---|---|
| Interface | NVMe PCIe 5.0 |
| Supported Sizes | 2230, 2242, 2280 |
| Max Capacity | 4 TB |
Recommended NVMe SSDs
| Model | Capacity | Speed | Amazon Link |
|---|---|---|---|
| Samsung 970 EVO Plus | 500GB – 2TB | 3,500 MB/s | View |
| Crucial P3 | 500GB – 2TB | 3,500 MB/s | View |
| WD Blue SN580 | 500GB – 2TB | 4,150 MB/s | View |
SATA Storage Options
LGA 1851 Platform includes SATA drive bays for additional storage. SATA SSDs offer cost-effective secondary storage at up to 550 MB/s.
| Model | Capacity | Amazon Link |
|---|---|---|
| Crucial MX500 | 500GB – 2TB | View |
| Samsung 870 EVO | 500GB – 4TB | View |
Upgrade Installation Guide
Before You Start
- Power off and unplug the system completely
- Wait 30 seconds before opening the chassis
- Use an anti-static wristband to prevent ESD damage
- Note the Custom / DIY Desktop form factor dimensions when selecting components
RAM Installation
- Open the side panel or chassis cover
- Locate the DIMM slots on the motherboard
- Press retention clips outward on both ends of the slot
- Align the RAM module notch with the slot key
- Press down firmly until retention clips snap into place
M.2 NVMe Installation
- Locate the M.2 slot on the motherboard
- Remove the mounting screw if present
- Insert the NVMe drive at a 30-degree angle
- Press down and secure with the mounting screw
Frequently Asked Questions
Q: What is the maximum RAM for LGA 1851 Platform?
A: 192 GB (4x 48GB DDR5) using 2-4 DIMM slots (motherboard dependent).
Q: Does LGA 1851 Platform support NVMe SSDs?
A: Yes, it has 2-4 (motherboard dependent) M.2 NVMe slot.
Q: Can I mix RAM speeds in LGA 1851 Platform?
A: Yes, but all modules will run at the slower speed. Match speeds for best performance.
Q: What form factor is the LGA 1851 Platform?
A: Custom / DIY Desktop. Check physical dimensions before purchasing components.
Recommended Upgrade Kits
| Kit | Components | Price | Amazon Link |
|---|---|---|---|
| Budget RAM | 8GB DDR5-5600 | £20-30 | View |
| Performance RAM | 16GB DDR5-5600 Kit | £40-60 | View |
| NVMe SSD | 500GB NVMe | £35-55 | View |
| Bundle | 16GB DDR5-5600 + 500GB NVMe | £70-110 | View |
Prices and availability may vary. As an Amazon Associate, we earn from qualifying purchases.

