Amazon has
64GB (2x 32GB)
Corsair Vengeance LPX 3200MHz DDR4 CL16 Desktop Memory (CMK64GX4M2E3200C16) on sale for $94.99 - $9 off when you clip the coupon =
$85.99.
Shipping is free.
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Newegg has
64GB (32GB x 2) Corsair Vengeance LPX 3200MHz DDR4 CL16 Desktop Memory (CMK64GX4M2E3200C16) for $94.99 - $9 w/ promo code
MDSESA9227 applied in cart =
$85.99.
Shipping is free.
Thanks to Deal Hunter
tDames for finding this deal.
Features:- Hand-sorted memory chips ensure high performance with generous overclocking headroom
- VENGEANCE LPX is optimized for wide compatibility with the latest Intel and AMD DDR4 motherboards
- A low-profile height of just 34mm ensures that VENGEANCE LPX even fits in most small-form-factor builds
- A solid aluminum heatspreader efficiently dissipates heat from each module so that they consistently run at high clock speeds
- Supports Intel XMP 2.0 for simple one-setting installation and setup
- Timing 16-20-20-38
- CAS Latency CL16
- Voltage 1.35V
42 Comments
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But I'm running on a 3080 FE at 1440p so I think the hit would be minimal. What say you all, worth the upgrade?
But if you need more than 32gb, then the timing is only one factor to consider. For example: if you are doing stable diffusion AI stuff that offload to RAM, then hitting swap will kill your SSD eventually.
I was going to get 8 modules of ECC UDIMM (16gb each).
Seem like this would also be ok? I'd be doing 4 sticks instead of 8 though since the motherboard only supports 128gb
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But I'm running on a 3080 FE at 1440p so I think the hit would be minimal. What say you all, worth the upgrade?
✅ What You Gain:
Massive capacity boost: Going from 16GB → 64GB is a 4x jump. This is huge for:
High-res texture modding
Video editing/rendering
Heavy multitasking (browsers + VMs + dev work)
Running modern AAA games with background tasks
❌ What You Lose:
Speed: Going from 3600MHz CL16 (tight for Ryzen) to 3200MHz CL16 isn't drastic, but:
The 5700X3D (like all 3D V-Cache chips) loves fast RAM — especially 3600 CL16
You're taking a ~5–8% potential hit in gaming scenarios that are CPU-limited, especially 1080p and sometimes 1440p
Latency increase can mildly impact 1% lows
🎮 Your Setup-Specific Analysis:
1440p + RTX 3080 FE: You're more GPU-limited in most modern games at this resolution, so the RAM speed difference will be minimal in gaming — maybe 1–3 FPS variance at most
5700X3D is so cache-heavy that it's less sensitive to RAM speed than most other Ryzen chips
If you're doing any kind of content creation, streaming, or multitasking — 64GB is a big win
If you only game, and you're not running into RAM limits, sticking with the 3600MHz may make more sense
✅ Verdict:
Upgrade if:
You're hitting RAM limits (browsing + games + streaming or work)
You want to future-proof for heavier games or creative workloads
You won't miss squeezing out that last 2–3% FPS in some CPU-bound games
Hold off if:
You strictly game and value every last frame
You aren't seeing any signs of RAM being maxed
TL;DR: At 1440p with a 3080 and 5700X3D, the real-world gaming difference between 3600 CL16 and 3200 CL16 is negligible, and the capacity gain from 16GB → 64GB more than makes up for the slight loss in speed for most users. You're likely making a good trade if you have any productivity use or multitask often.
You're taking a ~5–8% potential hit in gaming scenarios that are CPU-limited, especially 1080p and sometimes 1440p
Not really
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