fanxiang SD01 64GB (2x32GB) DDR4-3200 CL22 SODIMM
This 64GB DDR4 SODIMM kit delivers a massive capacity upgrade at 3200 MT/s, letting you run heavy multitasking and large datasets on laptops that cap at lower memory. The dual-channel 2x32GB configuration and universal 260-pin design make it a straightforward, cost-effective path to 64GB for a wide range of notebooks. It’s best for laptop users running memory-hungry workloads like 4K video editing, virtual machines, or extensive data analysis who need high capacity without replacing their entire system.
No current retailer price
Snapshot
The 30-Second Version
64GB of DDR4 SODIMM for under $400 is a steal. If your laptop supports it, just buy the damn thing.
Pros & Cons
Pros
- 64GB capacity is 90th percentile, huge for laptops 90th
- Dual channel out of the box 86th
- 1.2V keeps power draw low
- Works with a wide range of Intel and AMD laptops
Cons
- CL22 latency is nothing special
- No heat spreaders, runs warm under load
- Price is all over the place depending on region
- Server use is basically a no-go
What owners think
The Word on the Street
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews - so you can see whether early praise held up.
Based on 12 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
The speed is middle of the pack, 54th percentile, which is fine for DDR4 SODIMM. CL22 latency at 3200 MT/s is standard for this class, nothing exciting. What surprised us is how well the capacity holds up in real-world use. 64GB in a laptop is overkill for most people, but if you're running VMs, editing video, or keeping 200 Chrome tabs open, it's a game changer. The 1.2V power draw is also nice for battery life.
Specifications
Full Specifications
Memory
| Type | DDR4 |
| Form Factor | SODIMM |
| Total Capacity | 65536 |
| Modules | 2 |
| Per Module | 32768 |
| Pins | 260 |
Performance
| Speed | 3200 |
| CAS Latency | 22 |
| Voltage | 1.2 |
Class
| ECC | No |
| Registered | No |
Features
| RGB | No |
| Heat Spreader | No |
vs Competition
The Corsair VENGEANCE RGB and Kingston FURY Beast kits are faster, but they're also DDR5 and cost significantly more. The G.Skill Trident Z5 is in a completely different league for desktops. For laptop DDR4, the fanxiang SD01 competes more directly with Crucial's Pro Overclocking line, but Crucial charges a premium for the brand name. The KLEVV CRAS V is flashier but again, DDR5 and pricier. If you're stuck on DDR4 SODIMM, fanxiang is the value pick.
| Spec | fanxiang SD01 | Kingston FURY Beast KF564C32BWEAK2-64 | G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG | Corsair VENGEANCE RGB CMH64GX5M2Y6400C32 | Crucial Pro Overclocking CP2K16G64C32U5B | KLEVV CRAS V RGB KD5KGUD80-60A300G-BLACK |
|---|---|---|---|---|---|---|
| Capacity | 64GB | 64GB | 64GB | 64GB | 32GB | 64GB |
| Kit | 2 x 32GB | 2 x 32GB | 2 x 32GB | 2 x 32GB | 2 x 16GB | 2 x 32GB |
| Memory Type | DDR4 | DDR5 | DDR5 | DDR5 | DDR5 | DDR5 |
| Speed Mts | 3200 | 6400 | 6000 | 6400 | 6400 | 6000 |
| Cas Latency | CL22 | CL32 | CL26 | CL32 | CL32 | CL30 |
| Form Factor | SODIMM | UDIMM | UDIMM | UDIMM | UDIMM | UDIMM |
| Ecc | false | false | false | false | false | false |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Feature | Latency | Capacity | Social Proof | Affordability |
|---|---|---|---|---|---|---|
| fanxiang SD01 | 53.6 | 45 | 57.5 | 89.8 | 85.7 | 32.7 |
| Kingston FURY Beast KF564C32BWEAK2-64 Compare | 94.8 | 89.6 | 87.6 | 89.8 | 92.3 | 7.4 |
| G.Skill Trident Z5 Royal Series F5-6000J2636H32GX2-TR5NG Compare | 87.6 | 89.6 | 99 | 89.8 | 74.3 | 2.9 |
| Corsair VENGEANCE RGB CMH64GX5M2Y6400C32 Compare | 94.8 | 89.6 | 87.6 | 89.8 | 97.8 | 6.7 |
| Crucial Pro Overclocking CP2K16G64C32U5B Compare | 94.8 | 74.9 | 87.6 | 70.8 | 85.7 | 27.2 |
| KLEVV CRAS V RGB KD5KGUD80-60A300G-BLACK Compare | 87.6 | 89.6 | 87.6 | 89.8 | 85.7 | 9.2 |
Price
Value & Pricing
At $400 USD, this is a solid deal for 64GB of laptop RAM. You can find cheaper kits, but they're usually slower or single stick. The fanxiang undercuts most name brands at this capacity. If you need 64GB in a laptop, this is one of the better value plays out there.
Read more
Overview
The fanxiang SD01 is a 64GB DDR4 SODIMM kit that does one thing really well: it gives older laptops a massive memory upgrade without making you sell a kidney. At 3200 MT/s with CL22 timings, it's not going to win any speed awards, but the capacity is what matters here. If your laptop is choking on 8GB or 16GB, this is a cheap way to make it feel new again.
Common Questions
Q: Will this work in my laptop?
If your laptop takes DDR4 SODIMM and supports 32GB per slot, yes. Check your manual or Crucial's scanner to be sure. Most Intel 8th gen and newer, plus AMD Ryzen 4000 and newer, will handle it.
Q: Is 64GB overkill for gaming?
For most games, yes. 32GB is plenty. But if you stream, record, or keep Discord and 50 browser tabs open while gaming, 64GB gives you headroom you'll never think about again.
Q: Does it run hot without heat spreaders?
It can get warm under sustained load, but DDR4 SODIMM at 1.2V is pretty efficient. If your laptop has decent airflow, you'll be fine. If it's a thin ultrabook, maybe add a thermal pad.
Who Should Skip This
If you're building a desktop or need DDR5, this isn't for you. Go grab a Corsair VENGEANCE or G.Skill Trident Z5 kit instead. And if you only need 32GB, save your money and get a cheaper 2x16GB kit.
Verdict
Buy it if you need 64GB in a DDR4 laptop and don't want to pay name brand prices. The fanxiang SD01 delivers exactly what it promises: big capacity, decent speed, and broad compatibility. It's not exciting, but it gets the job done.
Usage Scores
- Overall64
- Budget82.6
- Gaming56.4
- Laptop80.3
- Server33.2
- Workstation64.3
