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.
Underbite Corrector Case - Portable Magnetic Lanyard Storage Box for Frankel Appliance and TB Palatal Expander
$22.70
Car Tire Stone Removal Tool, Multi-Function Hook for Picking and Extracting Stones from Treads
$6.43
Outdoor Lamp Stand for Camping, Lantern Holder Pole for Street Vending and Night Fishing
$13.89
Waste Removal and Paper Stacking Machine, Automatic Paper Collection and Counting Receiver for Carton Printing Equipment, Carton Factory Machinery
$6,400.00
Sheepskin Baby Rattle - Chewable Traditional Handmade Shaker Bell, Intangible Cultural Heritage Essential for Newborn Care
$57.00
Zhizhi Study Room 'Small Pot Sky' Brush Washer - Traditional Handmade Glass with Lost-Wax Method, Silk Luster, Double-Compartment Water Vessel
$457.00
Zao Boshi Insulated Food Cart - Programmable Banquet Warmer for Buns, Breakfast Items, and Hotel Dry/Wet Dishes
$11,566.00
![Lichuan JK [Blood Oath] - Original Authentic Japanese Dark Style Embroidered Sailor Suit - Spring/Autumn Set](https://www.gosteppe.com/cache/small/product/269363/legacy-main-0b86f0b7795c15ee2c8be0d3.webp)
Lichuan JK [Blood Oath] - Original Authentic Japanese Dark Style Embroidered Sailor Suit - Spring/Autumn Set
$59.00
Sink Storage Rack Stainless Steel No-Drill Kitchen Sponge Steel Wool Cloth Pot Lid Organizer Wall-Mounted Drain Rack
$4.93
Sketch Blending Stump Set for Artists - Detail Highlight and Shadow Smudging Tools with Replacement Tips
$14.80
Softening Agent for Board Arcs Melamine Softener Eco-Friendly Board Paint-Free Board Whole House Customization Arc Softener
$9.30
Car Tire Stone Removal Tool - Hook Picker for Cleaning Pebbles from Vehicle Treads
$3.90
Electrical Box with PLC System and VFD for Fans and Pumps
$2,519.00
Zunjue Watercolor Sketchbook 300g Fabric-Covered Journal – Portable Acrylic Marker Book, 100% Cotton Flip-Style Concertina Drawing Paper
$13.70
French Imported Arches Watercolor Paper, Handmade Cotton Pulp 300g Full/Half/4K/8K/16K/32K Rough/Medium/Fine Grain, 185g Cotton Pulp for Postcards and Watercolor Books
$20.80
![[Official Authentic] Zichao Bear Wanda Cinema Popcorn Acrylic Keychain Plush Doll Cute Toy](https://www.gosteppe.com/cache/small/product/269355/legacy-main-ae40bf0d9a6007e2f30a9130.webp)
[Official Authentic] Zichao Bear Wanda Cinema Popcorn Acrylic Keychain Plush Doll Cute Toy
$25.40
Heidelberg Printing Press Automatic Blanket Wash Cloth - Non-Woven Cleaning Fabric, 500m Roll
$3,185.00
Bucket Pack Natural Wood Colored Pencils Water-Soluble for Kids Coloring and Doodling
$6.65
Chunfei Grocery Store Yunm'an GR02 Gravel Bike - Thru-Axle Disc Brake, Lightweight Touring with Multiple Rack Mounts
$6,444.00
Variable Frequency Drive Power Board ZPOW-591 for ACS880
$2,200.00
Professional Sketching Eraser Kit - Blending Stumps, Sponges, and Paper Tortillons for Highlight & Shadow Correction
$3.90
Weighted Water Bag with Handle, Thickened PV Mesh Gravity Ballast for Banner Stand Fixation (8KG)
$35.10
Ultra-Fine Purification Lint-Free Cloth Cleaning Cloth Lens Wipe High Quality 0730 Water-Absorbing Dust Removal UV Nozzle 100 Sheets
$96.00
Wen Zhengming Small Regular Script Calligraphy Cards: Li Sao Jing, Thousand Character Classic, Qin Fu, Cao Tang Shi Zhi, Qing Jing Jing, Record of the Drunken Pavilion, Red Cliff Ode
$59.00
Zhizhi Manshu Zhao Mengfu Small Regular Script Collection of Ancient Classics (Vol. 1) - Calligraphy Copybook, Brush Writing Cards, Foldable Practice Cards
$49.00
Language of Drums Motion Path Set - Essential Creativity and Rhythm Teaching Material for Drum Kits and Jazz Drums
$59.14
onlycook Sink Drain Basket, Faucet-Mounted Food Residue Separator and Washing Strainer - 1 Pack
$14.10
Heavy-Duty Wiper Arms and Blades for Trucks and Agricultural Vehicles - Universal Replacement Wiper Rubber Strips
$5.50
Bus Adapter FEPL-02 for ABB Variable Frequency Drive
$1,230.00
Baby National Trend Rattle Toy – Chewable Silicone, Easy-Grip Handle, Soft Sound for Early Learning
$19.90
![[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)
