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DDR5-6400 RAM

Intel-friendly DDR5-6400 kits ranked by price per GB — dual-stick desktop modules with XMP 3.0 preferred.

· Methodology · Cite our data

Target

DDR5-6400

Platform

Intel LGA1851

Kits shown

12

Stock signal

12

Median $/GB

$13.05/GB

Bottom line

Bottom line

For Intel Core Ultra (LGA1851), a dual-stick DDR5-6000–6400 XMP kit is the practical UDIMM range — this page ranks 6400-class kits by $/GB. Prefer 32GB (2×16GB), check Amazon stock signals, then enable XMP in BIOS. Today’s listed-kit median is $13.05/GB. Official JEDEC UDIMM ratings sit lower; 6400 is an XMP overclock tier. AMD AM5 builders should prefer DDR5-6000 CL30 instead.

Buy this today

  • Sweet spot:32GB (2×16GB) DDR5-6000–6400 XMP (6400 listed here)
  • Who it's for:Intel LGA1851 / high-speed DDR5 Intel builds
  • Market:Median $13.05/GB · 12 kits · 12 stock signal
See today’s top kitsNot sure? RAM Finder

Who should skip this

Skip if you are on AMD AM5 (use DDR5-6000 CL30), still on DDR4 (use DDR4-3600 CL16), or buying laptop SO-DIMM (use the laptop hubs). Do not pay a large 6400 premium when a good 6000 kit is much cheaper per GB.

Platform quick picks

PlatformTargetNote
Intel LGA1851DDR5-6000–6400 XMP6400 = upper UDIMM tier
Intel LGA1700 DDR5DDR5-5600–6000Validate board QVL
AMD AM5DDR5-6000 CL30Safer than 6400 for most Ryzen
DDR4 platformsDDR4-3600 CL16Wrong generation here

Disclosure: As an Amazon Associate I earn from qualifying purchases. Rankings use price and spec data only — not paid placement. How we rank products

Prices updated daily. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.

Top kits today

Ranked by price per GB — use sort for in-stock first

12 shown

Best live value by capacity

Best 32GB value

$12.50/GB

KingBank RGB Computer Desktop Memory Ram Hynix M-die DDR5 32GB(2x16GB) 6400MT/s CL32 1.4V with Heatsink for Desktop Computer Gaming/Office/PS,Black

DDR532GB (2x16)6400MHz

$399.99

$12.50/GB

Verify on Amazon.com before purchasing — checkout price applies.
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Best 64GB value

$9.06/GB

CORSAIR Vengeance DDR5 RAM 64GB (2x32GB) 6400MHz CL32-40-40-84 1.40V Intel XMP Desktop Computer Memory - Black (CMK64GX5M2B6400C32)

DDR564GB (2x32)6400MHz

$579.99

$9.06/GB

Verify on Amazon.com before purchasing — checkout price applies.
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Best 96GB value

$2.23/GB

CORSAIR Vengeance DDR5 RAM 96GB (2x48GB) 6400MHz CL32 Intel XMP iCUE Compatible Computer Memory - Black (CMK96GX5M2B6400C32)

DDR596GB (2x48)6400MHz

$213.77

$2.23/GB

Verify on Amazon.com before purchasing — checkout price applies.
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How these live picks are ranked

We apply this page's capacity, DDR generation, form-factor, speed, and budget filters to the current catalog, exclude low-confidence matches, then rank qualified kits by price per GB. Use the in-stock sort when delivery matters, and verify the exact part number against your motherboard or system support list. Affiliate commission does not change the ranking. Read the full methodology.

Spotted a wrong price or spec? Report a data correction · How we verify data

How to buy DDR5-6400 without overpaying

Bottom line: pick the lowest $/GB dual-stick kit that is in stock and lists Intel XMP 3.0. RGB does not improve frame rates. If a 6400 kit costs much more per GB than a solid 6000 kit, take the better value — then compare on DDR5-6000 vs 6400.

1. Choose capacity first

CapacityBuy whenSkip when
32GB (2×16)Gaming, streaming, everyday Core Ultra buildsHeavy 4K timelines, many VMs, large local LLMs
64GB (2×32)Creators, VMs, local AI — see Best 64GB DDR5You only game and want to save money
7200+ / CUDIMMEnthusiast boards that QVL list extreme kitsMost buyers — start at 6400 XMP UDIMM here

2. After it arrives

  1. Seat both sticks in the recommended dual-channel slots (check the motherboard manual).
  2. Enable XMP 3.0 in BIOS (see the XMP / EXPO guide). Confirm the OS shows ~6400 MT/s (or your kit’s rated profile), not ~4800/5600 JEDEC.
  3. Full LGA1851 table: Intel Core Ultra RAM prices. Board check: compatibility checker.

3. Useful next reads

AMD builders: DDR5-6000 CL30. Gaming context: Best RAM for gaming. Extreme / clocked modules: CUDIMM guide. Four-stick risks: DDR5 four-stick stability.

Related pages

Intel Core Ultra HubBest 32GB DDR5Best 64GB DDR5DDR5-6000 CL30 (AM5)6000 vs 6400 CompareEnable XMP / EXPOCUDIMM GuideBoard CompatibilityRAM Under $200Best Gaming RAM

DDR5-6400 FAQ

Is DDR5-6400 the right target for Intel Core Ultra?

On many Z890/B860 (LGA1851) boards, DDR5-6000–6400 with Intel XMP 3.0 is a practical high-performance tier. Gains over 5600–6000 are often modest in games — buy a validated dual-stick XMP kit ranked by $/GB, not RGB or extreme 7200+ bins unless your QVL and cooler clearance support them.

Should I buy 32GB or 64GB?

Buy 32GB (2×16GB) for gaming and everyday use. Buy 64GB (2×32GB) for heavy creators, VMs, or larger local AI models. Prefer two sticks over four — four-stick DDR5 often forces lower stable speeds on many boards.

Do I need XMP, or is EXPO fine on Intel?

On Intel boards, enable Intel XMP 3.0. Many kits include both XMP and AMD EXPO — pick XMP in BIOS on LGA1851 / LGA1700 DDR5. Without a profile, the kit boots at slower JEDEC defaults and you lose the 6400 rating.

Is 6400 better than 6000 for AMD AM5?

Usually no. AM5’s safe gaming target remains DDR5-6000 CL30 for UCLK:MCLK 1:1. Many Ryzen chips drop UCLK into 2:1 past that, which can erase the gain — though some AGESA/silicon combos hold 1:1 a bit higher. Prefer DDR5-6000 CL30 for Ryzen; use this page mainly for Intel-leaning builds.

What if exact 6400 kits are scarce?

This page may widen slightly when inventory is thin — that note appears above the list. A solid DDR5-6000 dual-stick kit is still a strong Intel option; compare on Best 32GB DDR5 or the Core Ultra hub, and use the 6000 vs 6400 comparison if the price gap is large.

What do today’s matched kits cost per GB?

Across 12 kits on this page right now, the median is $13.05/GB (12 Amazon stock signal). Rankings refresh as Amazon prices update.

Buy #1 from $213.77