Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Brand | Shin-Etsu |
| Model Number | 7921 / 7868 |
| Thermal Conductivity | 6.0 W/m·K |
| Volume | 4 grams |
| Operating Temperature Range | -50°C to +150°C |
| Viscosity | High (Non-drip) |
| Country of Origin | Japan |
| Compatibility | CPU, GPU, Laptop, Heatsinks |
| Electrical Conductivity | Non-conductive |
| Shelf Life | 24 Months from manufacture date |
Anonymous
Mar 29, 2026
Rating: 4/5
Good value for genuine Japanese paste
Arrived quickly and packaging looked authentic. It's definitely thicker than the syringes I bought at local stores, but the cooling results speak for themselves. Just take your time applying it to avoid air bubbles.
Anonymous
Mar 27, 2026
Rating: 5/5
The gold standard for thermal paste
I've tried many brands over the years, but Shin-Etsu 7921 remains unbeatable for longevity and performance. My CPU temperatures dropped by 8 degrees compared to my old paste. It is a bit thick to spread, but once applied, it lasts for years without drying out.
Anonymous
Mar 25, 2026
Rating: 4/5
Great performance, tricky application
The thermal performance is excellent, keeping my silent build cool under load. However, because it is so thick, you really need to be careful when mounting the cooler to ensure even spread. A small pea-sized dot works best.
Anonymous
Mar 25, 2026
Rating: 5/5
Perfect for laptop repasting
Used this on my gaming laptop which was overheating constantly. The application was straightforward despite the high viscosity. After two months of heavy gaming, temps are stable and significantly lower. Authentic product as described.
Anonymous
Mar 19, 2026
Rating: 5/5
Revived my old workstation
My 5-year-old workstation was throttling due to dried-out paste. Applied this Shin-Etsu compound, and it runs like new again. The fan noise has decreased noticeably because the system doesn't need to spin fans at 100% anymore.
Anonymous
Mar 13, 2026
Rating: 5/5
Reliable for daily driving
While some pastes offer slightly better initial peak performance, 7921 wins on stability. I haven't had to reapply in over three years on my main rig. It doesn't pump out or degrade easily. Highly recommended for set-and-forget builds.
Q: How do I clean off old thermal paste before applying this new one?
A: We recommend using 99% Isopropyl Alcohol and a lint-free cloth or coffee filter to gently wipe away the old compound until the surface is clean and dry.
Q: Can I use this for LED heatsinks or power transistors?
A: Yes, Shin-Etsu 7921 is versatile and suitable for any application requiring heat transfer between a heat source and a heatsink, including LEDs, power transistors, and voltage regulators.
Q: Is this paste electrically conductive? Will it short my motherboard if I spill a little?
A: No, Shin-Etsu 7921 is non-electrically conductive. While it is always best to apply carefully, accidental smears on nearby components generally will not cause a short circuit.
Q: What is the difference between model 7921 and 7868 mentioned in the title?
A: Both are high-quality Shin-Etsu compounds. The 7921 is slightly more popular for general consumer CPU/GPU use due to its balance of viscosity and thermal conductivity, while 7868 is also excellent and often used in similar applications.
Q: Does this come with a spatula or applicator tool?
A: This specific listing includes the syringe with the compound only. We recommend using a plastic card or a dedicated silicone spatula for spreading, which are inexpensive and widely available.
ABB ACS530-01-017A-4/7.5KW Variable Frequency Drive – Brand New Original Authorized Unit
$2,312.00
Inverted Water Dispenser Stand for Pure Water, Office Drinking Water Rack, Convenience Store and Supermarket Shelf
$116.79
RSL Electric Guitar Series by Rockschool - ABRSM Edition 2018 Update, Grades 0-8 Complete 9-Volume Set
$30.00
Handmade Soap and Baking Cake Silicone Mold - Round 6-Cavity
$16.50
Meile Childhood Sponge Stamp Set - Kids' Paint Printing Tools with Sponge Brushes for Kindergarten Art
$14.30
2019 Jiangxi Isuzu Ruimai Lingtuo DMAX - Brand New Original Thickened Wear-Resistant Tires
$302.80
Pirelli P7 Run-Flat Tires 225 245 255 275 35 40 45 50 R17 18 19 20 21
$340.00
Lint-Free Industrial Wiping Cloth - Oil-Removing Absorbent Paper for Car Paint Wax and Grease Removal
$123.00
Henkel Loctite 495 Adhesive Genuine 401 406 416 460 496 Instant Glue Strong Industrial Adhesive for Metal and Plastic
$6.00
Industrial Ultrasonic Emulsification and Dispersion System - Anti-Foam Vibration for Pipeline Inner Wall Cleaning
$31,250.00
Commercial Small Electric Food Warmer Display Case for Fried Chicken, Burgers, Pies, Egg Tarts, and Youtiao - Constant Temperature Heating Cabinet for Breakfast
$623.00
Universal Triangular Stand for Mineral Water Bottles – Inverted Dispenser Rack for Water Coolers and Bottled Water Extraction
$5.10
Manufacturer Supply By-Product Cleaning Equipment, Fully Automatic Cylindrical Pig Tripe Degreaser and Cleaner for Cattle and Sheep Stomachs
$1,600.00
CANDLE.LAB | DIY Aromatherapy Candle Supplies, Natural Refined White Beeswax Pellets, Handmade Soap Materials #27
$9.00
![No-Shave Hair Transplant by Yongxiang Dean Team [Premium Customization], Unlimited Graft Count, Pain Management for Transplant Area](https://www.gosteppe.com/cache/small/product/269234/legacy-main-b28b879c33f1fe08b5eba226.webp)
No-Shave Hair Transplant by Yongxiang Dean Team [Premium Customization], Unlimited Graft Count, Pain Management for Transplant Area
$200,000.00
Kitchen Sink Drainage Mat - Sloped Countertop Drying Pad with Foldable Narrow Edges, Faucet Splash Guard, Storage Mat
$3.57
UE5 Unreal Engine 5.2-5.7 Physical Assembly System Physics Plugin
$0.50
![[Damai Holds Micro-Needle Hair Transplant Patent] Female Hairline | Non-Shaven Transplant 1000 Units | Forehead](https://www.gosteppe.com/cache/small/product/269231/legacy-main-b004541637d9aaa9d8c19288.webp)
[Damai Holds Micro-Needle Hair Transplant Patent] Female Hairline | Non-Shaven Transplant 1000 Units | Forehead
$17,000.00
ABB VFD Spare Part: ACS550-X2 R8 IP21 Air Baffle – Brand New Original Genuine
$3,450.00
Outdoor Waterproof Shockproof EDC Storage Box, Sealed Gear Case for Small Items
$5.10
Zhizhi Lin Zexu Small Regular Script Diamond Character Card Kaishu Copybook Porcelain Blue Gold Characters Brush Calligraphy Practice Folding Card
$68.00
Maotaizi Dual-Tip Dual-Color Glitter Markers for Kids - Non-Toxic Soft Tip Colored Pens for Elementary Art
$16.90
Tire Removal Socket Wrench and Spare Tire Tool Kit for Zhengzhou Nissan Paladin, Aoting, and Dongfeng Ruiqi Pickup Trucks
$16.90
Zhimo Ke Xingkai Technique Calligraphy Copybook - Upgraded Edition with Text, Images, and Video Tutorials for Beginners
$30.60
Small-Scale Yogurt Processing Production Line, Blended Yogurt Fermentation Equipment, Organic Milk Filling Machine
$115,920.00
Compact Manual Hot Stamping Machine for Logos, Business Cards, Leather Wallets, Plastic, and Wood - Heat Embossing and Branding Tool
$500.76
DIY Handmade Soap Mold – Single Square Silicone Mold for Homemade Soap
$1.96
Luxury Wall-Mounted Facial Towel Dispenser – Transparent Upside-Down Tissue Box for Kitchen & Bathroom
$4.50
Colorful Ground Thread Inserts 16ER/IR1.0/2.0/3.0/3.5 ISO AG55/60 for High-Hardness Quenched Steel
$19.80
Jiuzheng Tongming Submerged Solenoid Pulse Valve TMF-Y-25/40/50/62/76S, Dust Removal Pulse Blowing Valve
$150.00
![[Youxin Electronics] Soil Moisture Meter Detection Module, Soil Moisture Sensor for Intelligent Robot Cars](https://www.gosteppe.com/cache/medium/product/3877/legacy-main-eca7a3fa750966e5dca86bbf.webp)
![[Corrosion-Resistant] DFRobot Capacitive Soil Moisture Sensor Module Dry/Wet Detection](https://www.gosteppe.com/cache/medium/product/3259/legacy-main-2f0d3454b36b32391d263648.webp)
