3 Best Aqara Silver Smart Locks, Compared
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Finding the best aqara silver smart locks requires comparing key specifications. We analyzed 3 models based on the data published on their listings. The Aqara U400 UWB Smart Deadbolt leads this group. It offers hands-free UWB access and robust security features for Apple Home users. Its compact design measures 4.2 inches in width. This guide helps you decide which lock fits your entryway. You will see how each model handles access methods. We also compare physical dimensions to ensure proper fit.
Quick picks
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | Aqara U400 UWB Smart Deadbolt Best overall | hands-free UWB access and Apple Home integration | Check price of Aqara U400 UWB Smart Deadbolt on Amazon |
| 2 | Aqara U100 Apple Home Key Smart Deadbolt Best budget | Apple Home Key users needing high fingerprint capacity | Check price of Aqara U100 Apple Home Key Smart Deadbolt on Amazon |
| 3 | Aqara U300 Smart Lever Lock Best premium | Apple Home Key users wanting a lever handle | Check price of Aqara U300 Smart Lever Lock on Amazon |
The best fit for you
- You want hands-free entry with Apple Home Aqara U400 UWB Smart Deadbolt This model supports UWB technology for automatic, keyless access when you approach the door.
- You need a budget lock with high capacity Aqara U100 Apple Home Key Smart Deadbolt It offers Apple Home Key integration and stores multiple fingerprint profiles for your household.
- You prefer a traditional lever handle design Aqara U300 Smart Lever Lock This lock replaces your existing handle and includes a lever for easy operation.
Our 3 picks
Aqara U400 UWB Smart Deadbolt
Best for: hands-free UWB access and Apple Home integration
- Color
- Silver (what this guide is about)
- Access Methods
- Fingerprint, keypad, app, key, NFC, UWB
- Connectivity
- Matter over Thread, UWB
- Smart Home Compatibility
- HomeKit, Alexa, Google, Home Assistant
- Included Door Hardware
- Deadbolt
- Power Source
- Battery Powered
View on Amazon: Aqara U400 UWB Smart Deadbolt Affiliate link
The Aqara U400 is a silver smart lock featuring UWB technology for true hands-free unlocking as you approach. It supports Apple Home Key, fingerprint, passcode, and physical key access. The lock uses Matter over Thread for stable connectivity and includes a rechargeable battery lasting up to six months. It is BHMA-certified and IP65-rated for outdoor durability. This model suits users seeking advanced proximity access and broad smart home integration.
Pros
- UWB technology enables automatic hands-free unlocking based on presence and direction.
- Supports Apple Home Key, fingerprint, passcode, NFC, and physical key access.
- Matter over Thread ensures stable, low-power connectivity across multiple ecosystems.
- Rechargeable lithium battery lasts up to six months and charges via USB-C.
- BHMA-certified security with IP65-rated weather resistance.
Cons
- UWB hands-free unlocking requires specific iPhone and Apple Watch models.
- NFC cards are sold separately and not included with the lock.
- Voice assistant control requires compatible Matter-enabled controllers for each ecosystem.
Good fit if
- You want automatic unlocking without touching the lock using UWB technology.
- You use an Apple Home ecosystem with a Thread-enabled hub.
- You need a BHMA-certified lock with IP65 weather resistance.
Skip if
- You do not own an iPhone 11 or later or Apple Watch Series 6 or later.
- You prefer a lock that includes NFC cards in the box.
- You do not have a Thread-enabled Matter controller for smart home integration.
Verdict: Aqara U400 UWB Silver Smart Lock offers advanced UWB hands-free access and robust security features for Apple Home users. It is ideal for those who value automatic entry and multi-ecosystem compatibility.
Aqara U100 Apple Home Key Smart Deadbolt
Best for: Apple Home Key users needing high fingerprint capacity
- Color
- Silver (what this guide is about)
- Access Methods
- Apple Home Key, fingerprint, app, key
- Connectivity
- Thread, Zigbee 3.0
- Smart Home Compatibility
- Apple HomeKit, Alexa, Google, IFTTT
- Fingerprint Capacity
- 50
- Included Door Hardware
- Deadbolt
View on Amazon: Aqara U100 Apple Home Key Smart Deadbolt Affiliate link
The Aqara U100 is a silver deadbolt built for Apple Home Key and fingerprint access. It stores up to 50 fingerprints and supports app-controlled passwords. The zinc alloy body carries an IP65 rating and meets BHMA Level 3 standards. You get auto-locking via a gyroscope and a mute mode. This lock suits users who want secure, local biometric storage and broad smart home compatibility.
Pros
- Apple Home Key support for iPhone and Apple Watch
- Stores up to 50 high-precision fingerprints
- Zinc alloy body with IP65 weather resistance
- BHMA Level 3 safety standard compliance
- Local AES encryption for sensitive data
Cons
- Requires a separate Zigbee 3.0 hub for full features
- NFC card sold separately
- Uses four AA batteries instead of a rechargeable pack
Good fit if
- You use Apple Home Key for access
- You need a lock with high fingerprint capacity
- You want a durable, weather-resistant deadbolt
Skip if
- You prefer a lock with a built-in battery
- You want NFC cards included in the box
- You do not have a Zigbee hub for automation
Verdict: Aqara U100 Silver Fingerprint Deadbolt fits users who prioritize Apple Home Key integration and robust physical security standards.
Aqara U300 Smart Lever Lock
Best for: Apple Home Key users wanting a lever handle
- Color
- Silver (what this guide is about)
- Access Methods
- Apple Home Key, fingerprint, keypad
- Connectivity
- Matter over Thread, Bluetooth
- Smart Home Compatibility
- HomeKit, Alexa, Google
- Fingerprint Capacity
- 25 fingerprints
- Included Door Hardware
- Lever handle
View on Amazon: Aqara U300 Smart Lever Lock Affiliate link
This Aqara Silver smart lock replaces your existing handle with a smart lever. It uses Apple Home Key for tap-to-unlock via iPhone or Apple Watch, requiring a Thread hub. The fingerprint sensor is 160x160 pixels, recognizing prints in under 0.3 seconds. It supports 25 fingerprints and connects via Matter over Thread. Local AES encryption stores data. It runs on four AA alkaline batteries for up to 10 months.
Pros
- 160x160 pixel high-resolution fingerprint sensor
- Apple Home Key compatibility for iPhone and Watch
- Matter over Thread for multi-ecosystem support
- Local AES encryption for fingerprint data
Cons
- Requires a Thread-enabled Apple hub for Home Key
- Only supports 25 stored fingerprints
- Requires four AA alkaline batteries
Good fit if
- You want to replace your door handle with a smart lever
- You use Apple Home Key and have a Thread hub
- You prefer Matter over Thread connectivity
Skip if
- You do not have a Thread-enabled Apple hub
- You need more than 25 fingerprint profiles
- You prefer a deadbolt style over a lever handle
Verdict: Aqara U300 Silver Smart Lever Lock is ideal for Apple users with a Thread hub who want a handle replacement. It offers fast fingerprint recognition and Matter connectivity. It is not suitable for deadbolt-only preferences.
Specifications side by side
| Spec | Aqara U400 UWB Smart Deadbolt | Aqara U100 Apple Home Key Smart Deadbolt | Aqara U300 Smart Lever Lock |
|---|---|---|---|
| Access Methods | Fingerprint, keypad, app, key, NFC, UWB | Apple Home Key, fingerprint, app, key | Apple Home Key, fingerprint, keypad |
| Connectivity | Matter over Thread, UWB | Thread, Zigbee 3.0 | Matter over Thread, Bluetooth |
| Smart Home Compatibility | HomeKit, Alexa, Google, Home Assistant | Apple HomeKit, Alexa, Google, IFTTT | HomeKit, Alexa, Google |
| Fingerprint Capacity | not stated | 50 | 25 fingerprints |
| Included Door Hardware | Deadbolt | Deadbolt | Lever handle |
| Power Source | Battery Powered | not stated | not stated |
| Access Method | Fingerprint, Key | Keypad, Fingerprint, Touchscreen, Key | Keypad, Fingerprint, Touchscreen, Key |
| Color | Silver | Silver | Silver |
| Application | Home | Home | Home |
| Included Hardware | not stated | not stated | Handle |
| Dimensions | 3 × 4.2 × 7 inches | 5.27 × 3.46 × 2.91 inches | 5.51 × 2.99 × 2.8 inches |
| Weight | not stated | 3.9 pounds | not stated |
| Model | DL-D16E | SDL-D01 | DL-D02D |
How to choose the right Aqara silver lock
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Check physical dimensions
You must verify that the lock fits your door frame before purchasing. The Aqara U400 measures 4.2 inches wide and 7 inches tall. This is significantly larger than the U100, which is 3.46 inches wide and 2.91 inches tall. Ensure your door has enough space for the hardware. The U300 lever lock is 2.99 inches wide and 5.51 inches long. Measure your existing door hardware area carefully to avoid installation conflicts. Proper fit is essential for secure operation and aesthetic alignment.
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Verify access methods
You need to decide how you want to enter your home. The Aqara U400 and U100 both support fingerprint and key access. This gives you flexibility for multiple users. The U300 relies solely on key entry. It does not include a fingerprint scanner. If you want hands-free convenience, the U400 adds UWB support for automatic unlocking. Choose the model that matches your daily routine and security preferences. Fingerprint scanners are useful for quick entry without carrying keys.
-
Confirm smart home ecosystem
You should ensure the lock works with your existing smart home system. All three models support Apple Home integration. The U400 is best for users who want UWB hands-free access. This feature works with Apple devices. The U100 is ideal for Apple Home Key users who need high fingerprint capacity. The U300 supports Matter connectivity for broader compatibility. Check if your hub supports Thread or Wi-Fi. Verify that your phone or controller can send unlock commands reliably.
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Select handle style
You must choose between a deadbolt and a lever handle. The U400 and U100 are deadbolt locks. They replace the existing bolt mechanism. The U300 is a lever lock. It includes a handle that you turn to open the door. If you prefer a traditional lever feel, the U300 is the only option. Deadbolts are often preferred for security. Levers are easier for people with limited hand strength. Decide which style matches your door type and personal preference.
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Review weight capacity
You should consider the weight of the lock for installation stability. The Aqara U100 weighs 3.9 pounds. This is a substantial weight for a door lock. Heavier locks may require stronger mounting screws. The U400 and U300 do not list weight in the provided data. Heavier units might be more durable. Ensure your door can support the weight. Check the mounting holes on your door. Proper installation is critical for the lock to function correctly and securely.
Frequently asked questions
Which Aqara silver smart lock supports hands-free UWB access?
The Aqara U400 UWB Smart Deadbolt is the only model in this group that supports ultra-wideband technology. This feature enables automatic, keyless entry when you approach the door without needing to touch the lock. It also integrates with Apple Home for seamless control. The U100 and U300 do not list UWB capabilities in their specifications.
Does the Aqara U300 have a fingerprint scanner?
No, the Aqara U300 Smart Lever Lock does not include a fingerprint scanner. Its listed access methods rely solely on a physical key. If you require biometric entry, you should consider the U400 or U100, both of which support fingerprint authentication alongside traditional key access for your household.
What is the largest Aqara silver smart lock by height?
The Aqara U400 UWB Smart Deadbolt is the tallest model in this comparison. It measures 7 inches in height, 4.2 inches in width, and 3 inches in length. In contrast, the U100 stands at 5.27 inches tall, and the U300 is 5.51 inches tall. You must verify these dimensions fit your door frame before purchasing.
Which lock is best for users who want a lever handle?
The Aqara U300 Smart Lever Lock is the only option that includes a handle. It replaces your existing door handle rather than functioning as a standalone deadbolt. This model is ideal if you prefer the mechanics of a lever. The U400 and U100 are designed as deadbolts and do not come with integrated handles.
How many access methods do the U400 and U100 support?
Both the Aqara U400 and U100 support two primary access methods: fingerprint and key. The U400 adds UWB for hands-free entry. The U100 is noted for its high fingerprint capacity. The U300 differs by supporting only key access. You should choose based on whether you need biometric or physical key entry.
Is the Aqara U100 heavier than the other models?
Yes, the Aqara U100 Apple Home Key Smart Deadbolt is the heaviest listed. It weighs 3.9 pounds. The U400 and U300 do not have weight specifications provided in their data. The U100 also measures 3.46 inches wide, making it narrower than the U400, which is 4.2 inches wide.
Which Aqara lock is compatible with Apple Home Key?
The Aqara U100 and U300 both support Apple Home Key. The U100 is highlighted for this integration along with high fingerprint capacity. The U300 also offers this feature for users with a Thread hub. The U400 supports Apple Home integration but is distinguished by its UWB hands-free access rather than just Home Key.